Volume 8, Number 3, October 2002
Copyright © 2002 Society for Music Theory

Figured Bass and Modulation: The Wiener-Tonschule of Joseph Preindl

Murray Dineen


KEYWORDS: history of theory, Preindl, figured bass, modulation, harmony

ABSTRACT: Why and how should a figured-bass treatise account for modulation? These two questions will be addressed with reference to the treatise Wiener-Tonschule; oder Anweisung zum Generalbaße, zur Harmonie, zum Contrapuncte und der Fugen-lehre (1827), by the Viennese theorist Joseph Preindl (1756–1823). To answer the question “Why?”: a figured-bass treatise such as Preindl’s might have accounted for modulation as a means to facilitate improvisation of preludes or fantasies, and it might have done so under the developing influence of northern Teutonic theorists of modulation such as Gottfried Weber and Abbe Vogler. To answer the question “How?”: a figured-bass treatise might account for modulation through a pattern-based approach, but it should not do so through a pivot-chord approach, since the latter presumes an understanding of chordal root harmony that lies beyond the scope of figured bass.

Received 9 May 2002

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[1] Introduction
[2] From the Wiener-Tonschule: Fundamentals
[3] From the Wiener-Tonschule: Modulation
[4] Conclusion


[1] Introduction

[1.1] Why and how should a figured-bass treatise account for modulation? If, by close definition, a figured bass is simply a bass line with appended integers indicating pitches the upper voices should play, and accordingly a treatise on figured bass concerns itself only with the correct realization of such indications, then modulation is irrelevant in both study and application. Modulation belongs to a more abstract, less immediately practical study, such as a Harmonielehre might entail.(1) In essence, a figured-bass player merely applies accidentals where appropriate; no understanding of a larger tonal design, such as that implicit in modulation, is required. In a pure figured-bass tradition such as the Viennese Generalbaßlehre, the study of modulation is an anomaly and, like many anomalies, worthy of examination—the object of this study.

[1.2] I shall examine the discussion of modulation contained in part 1 of the treatise Wiener-Tonschule; oder Anweisung zum Generalbaße, zur Harmonie, zum Contrapuncte und der Fugen-lehre (1827), by the Viennese theorist, organist, and composer Joseph Preindl (1756–1823), as edited and published after Preindl’s death by Ignaz von Seyfried.(2) If one is to look for purity in figured-bass conception in the decades straddling 1800, Viennese theories of Generalbaßlehre would be good places to start, for, as Robert Wason characterizes them, Viennese theorists clung to eighteenth-century concepts and largely eschewed the more speculative developments characteristic of Harmonielehren of their Germanic counterparts.(3) As a student of Albrechtsberger, Preindl should have written a treatise representing a pure Viennese figured-bass theory, unmarked by extraneous influences such as the Harmonielehre.(4) Its very title, however, tells us otherwise, by blending figured bass and harmony. It may be presumed that harmonic theory has had some influence upon Preindl’s figured-bass conception. In part, my concern shall be with how a harmonic influence is exerted upon Preindl’s treatment of modulation, an influence felt only in an incomplete manner. I shall measure this influence in terms of our present-day concepts of modulation built upon pivot chords and in terms of older Teutonic concepts of modulation by theorists such as Gottfried Weber and Georg Joseph Vogler.(5)

[1.3] In our modern harmony texts, we often rely upon the economical notion of a pivot chord to explain modulation. We teach our students to find a diatonic or chromatic chord common to both keys involved in a modulation. This pivot serves as a path through which the harmony is led from one key to the other. We often limit pivot harmonies to diatonic triads or seventh chords, and sometimes extend this to include applied chords and ultimately such chromatic chords as the Neapolitan and the augmented sixth. This apparently simple pivot-chord conception entails, however, certain complex ideas of chordal function and chordal classification, ideas that are largely irrelevant to a pure Generalbaßlehre tradition but are the essence of the Harmonielehre or Traité de l’harmonie. Notable examples in the Harmonielehre tradition are Gottfried Weber’s Versuch einer geordneten Theorie der Tonsezkunst and Georg Joseph Vogler’s treatises Tonwißenschaft und Tonsezkunst and Betrachtungen der Mannheimer Tonschule, where the idea of Mehrdeutigkeit or the multiple meaning of a given chord in several keys is explored:

. . .the harmony G can appear as C:V, equally as G:I, as D:IV, c:V. . .[die Harmonie G bald als C:V, bald als G:I, bald als D:IV, bald als c:V, u.s.w. vorkommt. . .](6)

In this and other passages like it, Weber and his Germanic counterparts establish a foundation for theories of modulation and pivot chords.

[1.4] The concept of shared harmonies with variant tonal functions has no place, however, in a pure figured-bass tradition, such as that to which Preindl fell heir. As a Viennese theorist, he has minimal recourse to chordal functions: there are no roman-numeral chord indications in his treatise; he refers to but three functions, those of tonic, dominant, and mediant; and when he finally introduces pivotal chords, these are never registered (in one key let alone two) but merely introduced as formulae. Despite these severe lacunae, Preindl does tackle modulation, in what appears to be an addendum, a chapter entitled “Vom Präambuliren,” in effect a supplement to an otherwise pure figured-bass treatise.

[1.5] His account of modulation is brief and not particularly successful if measured (albeit anachronistically) against our present standards, or against those of roughly contemporary harmonic theorists such as Weber, or Preindl’s Viennese successors such as Simon Sechter, Anton Bruckner, and Arnold Schoenberg. The account is fascinating nonetheless, if only because the first part, framed in terms of figured bass, would work, albeit in a limited fashion, while the second part, which lies closer to the Harmonielehre, seems dramatically incomplete and out of context. Preindl bases this figured-bass cum Harmonielehre account largely upon two corresponding approaches: progressions in which the harmony modulates over a fixed-intervallic bass pattern of several measures duration; and pivot-like formulations, in which the harmony modulates directly with the introduction of a pivotal chord. The patterned bass approach seems to grow logically out of figured-bass practice. The pivot-chord approach does not, but derives presumably from other sources, as if Preindl had heard rumor of the new, more northerly Teutonic developments in theory—Vogler and Weber, for example—but only rumor.

[1.6] The following discussion extracts passages from Preindl’s treatise in translation and then comments upon these in light of the curious situation of a theory of modulation in a tradition informed largely by figured bass.

[2] From the Wiener-Tonschule: Fundamentals

[2.1] The Wiener-Tonschule comprises two volumes, the first devoted to Generalbaß and Harmonie, the second to Contrapuncte and Fugen-Lehre. The 176 pages of volume 1 address the subjects of interval, key, chords and their inversions, figured-bass indications, ornamentation, cadences, and organ point. Although the subject matter of chords and their inversions is addressed at length, the treatise is not concerned directly with harmonic relationship, apart from a final section, pages 156–76, entitled “Vom Präambuliren,” where modulation is considered at length.

[2.2] Before concentrating upon Preindl’s treatment of modulation, it is important to survey the foundation upon which he builds by examining his terms (definitions of such theoretic fundamentals as figured bass, harmony, and function in both modal and chordal senses), his classification of chords, and his treatment of key relationship. In essence, Preindl’s principal notion of tonal function is grounded not in chordal relationship but in an older modal conception of the plagal versus authentic classification. He makes a rudimentary distinction between “ground” bass (the chordal root) and “fundamental bass” (the lowest note at the moment), and this allows him inversion. But his notion of chordal function is limited to the notes of the triad—tonic, mediant, and dominant. And rather than speak of chordal roots as functions of scale degrees, he uses letter names instead to describe the “ground” bass of a given harmony. Let us examine his terms in greater detail.

[2.3] Figured bass and harmony

[2.3.1] It is essential to note from the outset Preindl’s simple definition of figured bass [Generalbaß], which bears nothing of truly chordal harmonic concern:

By the term figured bass we mean generally a low voice above which, in the remaining accompanying voices, lie tones indicated through characteristic figures.

[Unter der Benennung: Generalbaß versteht man im Allgemeinen eine Grundstimme, über welcher die in den übrigen begleitenden Stimmen liegenden Töne durch bezeichnete Zahlen ausgedrückt sind.]{1}(7)

[2.3.2] Curiously Preindl omits a clear definition of harmony, which should take its own separate section. Instead he continues immediately after defining Generalbaß with the following definition of pitch as Ton:

A tone is, above all, such a sound as can stand in fixed relation to another.

[Ton heisst überhaupt ein jeder Klang, der gegen einen andern in einem bestimmten Verhältniße steht.]{1}

By this excessive economy, harmony is slighted here, especially in a work that unites Harmonie and Generalbaß in its title. Within this curious slight, perhaps, lie the roots of the difficulty we shall encounter shortly in Preindl’s treatment of pivotal-chord modulation, in essence the lack of a fully developed concept of harmony encompassing chordal roots and their relation.

[2.4] Modes and scale-degree function(8)

[2.4.1] Preindl cannot draw upon a system of chords related through chordal roots indicated as scale degrees. Accordingly, his definition of function is not introduced with chords but instead in a discussion of scales that draws upon older modal conceptions of function and centricity. Preindl begins by defining keys and scales in terms of Greek modes:

The Greeks had six principal (authentic) and six secondary (plagal) modes, the scales of which were distinguished by the position of two semitones.

[Die Greichen hatten sechs Haupt- und sechs Nebentonarten, deren Tonleiter hinsichtlich der Lage der zwey halben Töne sich unterschied.]{9}

He proceeds to distinguish among the plagal modes by invoking the old solmization syllables and the position of mi-fa on different scale degrees in the various modes.

[2.4.2] For Preindl, the authentic and plagal forms of these modes differ functionally in terms of tonic [Grundton] and dominant [Unter-quart] points of reference:

Authentic modes proceed from the tonic, [while] the plagals must begin with the fourth below, or the dominant.

[. . . [D]ie authentische von dem Grundton (der Tonica) ausging, mußte die plagalische in deren Unter-Quart (der Dominante) beginnen.]{11}

And he underlines the importance of this older, modal conception:

An understanding of these old scales is an essential fundamental to the Generalbaß performer as organist, since the church chorales of the Protestant Rite, which the organist is obliged to accompany, are based upon them. These modi authentici et plagales are the foundation of our present keys.

[Die Kenntniß dieser alten Tonleiter ist dem Generalbaß-Spieler, als Organisten, aus dem Grunde wichtig, weil in den meisten derselben die Kirchen-Choräle des protestantischen Ritus gesetzt sind, welche mit der Orgel zu begleiten ihm obliegt. Diese modi authentici et plagales sind allerdings die Grundlage unserer heutigen Tages gebräuchlichen Tonarten.]{12}

The functional conception with which Preindl works, then, is modal in conception, not out of keeping with his Viennese inheritance—Catholic or Protestant—but surely of limited means when dealing with a chord-based conception of modulation, as we shall see shortly.

[2.5] Chords and their classification: Grundbaß, Fundamental-Baß, and Grundton

[2.5.1] After briefly introducing the concept of a chord as the sounding of several intervals bound together in a simultaneity or Zussammenklang, Preindl begins a classificatory scheme. Complete chords comprise three, four, five, or more tones. Some of these are what we today call root position [Grunde- or Stamm-Accorde], others are superposed or inverted [versetzte or umgekehrte], and all are, like intervals, consonant or dissonant:

A chord is formed from the simultaneous sounding of several well measured and mutually related intervals. . . [I]n music we determine chords of 3, 4, 5, and more voices, which can be either in [root position] or inverted, and, like intervals, either consonant or dissonant.

[Aus dem Zusammenklang mehrerer, regelmäßig unter einander verbundener Intervalle entsteht ein Accord. . . [B]esitzen wir in der Musik drey-, vier-, fünf- und mehrstimmige Accorde, welche theils Grund- oder Stamm-Accorde, theils versetzte oder umgekehrte Accorde, und, gleich den Intervallen, entweder consonirend (wohllautend) oder dissonirend (übelklingend) seyn können.]{20}

[2.5.2] The Grund-Accorde, or root-position chords, and their inversions are explained in principle and illustrated at length. In principle, the Grund-Accorde are the source from which all other chords flow. They take four shapes: as complete, perfect, and pure triads, major or minor, or as major or minor triads with the addition of a minor seventh.

[2.5.3] Preindl’s definition of inversion depends upon the distinction between what he calls ground and fundamental bass (Grundbaß versus Fundamental-Baßis). Preindl’s Grundbaß is what we know as root position; his Fundamental-Baßis is the lowest tone of a chord, or the Grundton:

If one takes the third above the ground bass of a pure, harmonic triad as the fundamental bass, then the three-six [Terzsexten] chord is produced; for example instead of C in the C-major harmony, E stands as the ground tone [Grundton]. . . 

[Wenn man von einem reinen harmonischen Dreyklange die Ober-Terz des Grundbaßes als Fundamental-Baßis annimmt, so entsteht daraus der Terzsexten-Accord; z. B. anstatt C der C-dur Harmonie E als Grundton. . .]{23}

To reiterate, for the true, pure Generalbaßlehre, such a distinction is largely irrelevant. Every bass note is simply a Grundton. By invoking Grundbaß, Preindl transgresses the bounds of what would be a self-standing figured-bass conception and moves over into the other subject in his title, Harmonielehre.

[2.6] Chords and function

[2.6.1] In a section entitled, “On General Artistic Usages,” Preindl ventures again into the area of scale-degree function by identifying tonic, dominant, and mediant tones. Yet, once again, he does not make inroads sufficient to equip him for describing pivot-chord modulation:

. . . one understands, by the expression tonic [Tonica] always the principal tone, the first step [Stufe] of that key which the piece is in. . . The tone lying a fifth above is called the dominant. . . The third above the tonic, because it lies between the tonic and this same fifth, is called the mediant.

[. . . versteht man unter dem Ausdruck: Tonica, immer den hauptton, d. i. die erste Stufe jener Tonart, in welcher das Stück selbst gesetzt ist. . . . Von dieser aufwärts gezählt, der fünfte Ton, heißt: die Dominante. . . . Die Oberterz der Tonica, weil sie zwischen dieser und derselben Quinte den Mittelpunct bildet, wird die Mediante genannt.]{30–31}

No other scale-degree functions are enumerated, which leaves one to wonder if there is some telling confusion on Preindl’s part as to the nature and role of scale-degree functions.

[2.6.2] As noted above, Preindl makes no reference to Roman numerals anywhere in the treatise. Instead, describing an example of arpeggiation, he indicates the harmony by reference to chord letter names. Letter names, in and of themselves however, cannot express function:

Here we hear all the notes of the first and fourth bars as a C harmony, and those of the second bar as belonging to F, which the bass A necessitates calling a sixth chord. The B of the third bar is the first inversion of the seventh chord over the fundamental G, arranged as a six-five chord.

[Hier gehören alle durchgehende Noten des ersten und vierten Tacts zur C-harmonie, jene des zweyten in den Umfang von F, daraus der Baß A den Sext-Accord verlangt; und das H im dritten Tacte ist die erste Versetzung der Septime über die Grundnote G, in den Quint-Sext-Accord umgestaltet, und all Nebennoten in demselben enthalten.]{34}

In the treatise, then, there is no indication of systematic functional relationship among these harmonies, such as a roman numeral might indicate. Since pivotal chordal functions are a presupposition in most accounts of harmony and modulation, Preindl must devise other means by which to address the topic.

[2.7] Key relationship

[2.7.1] In section 9, “On Signatures [Von der Bezifferung],” Preindl introduces the issue of key relation. He does so by charting tonal spaces: chords representing keys (locations in space) are linked by intervals (distances), and in particular by interval patterns (a well-defined space measured by regular distances). In and of itself, this kind of tonal space is unremarkable, a commonplace in the customary representation of key signatures. But Preindl will put this spatial conception of key-relation-through-interval-pattern to use later, when he addresses modulation.

[2.7.2] Key signatures are introduced in a series of four-part progressions. First Preindl arranges chords representing keys in perfect fifth relation, as if around the cycle of fifths. Calling these examples “row-successions” [Reihenfolge], he applies this cyclic presentation to show key relationship in both major and minor keys.

[2.7.3] In a second, supplementary four-part progression, Preindl sets up a “Changing Succession” [Wechselfolge] that visits all major and minor keys by means of a different interval pattern, a series of root-position chords with basses descending in alternating major and minor thirds: C major – A minor – F major – D minor – B-flat major, etc.

[2.7.4] These two cyclic forms of key representation, Reihenfolge and Wechselfolge, give Preindl a model or template for a patterned-bass approach to modulation. This approach is quite in keeping with a figured-bass conception, since, in describing modulatory distance and relation, it relies only upon intervals expressed in a bass melody, and not upon chordal-roots and the concept of pivot chords, which are extraneous to figured bass. Preindl’s other modulatory tool—the pivot chord—has no such model or template, nor is it so comfortably at home with his figured-bass conception.

[2.7.5] Let us take stock of the fundamentals Preindl’s treatise has given us thus far: a notion of fixed relationship; an incomplete notion of scale-degree function in the modal sense of tonic and dominant finals; a distinction between chordal root and the lowest note of a chord; and another curiously incomplete notion of function based upon tonic, mediant, and dominant, but no others. To this we can add key signatures linked by cyclic intervals. If we compare this with the requirements for a complete, modern discussion of modulation, several items are missing: a systematic and articulate notion of chordal roots as expressions of particular scale degrees in a given key, a notion of key relation based upon common elements such as pivot chords, and the concepts of tonicization and applied chromatic chords in diatonic contexts. Without these items, which, to reiterate, do not belong in a pure figured-bass treatise, Preindl seems hard pressed to elucidate modulation. But elucidate he does, with varying and limited results.

[3] From the Wiener-Tonschule: Modulation

[3.1] Modulation is the final subject addressed in the first part of Preindl’s treatise. Preindl chooses to consider the subject, not under the rubric modulation, but instead under the topic of improvising preludes, entitled “Vom Präambuliren,” and fantasies. The Preamble is defined as a category of prelude that precedes the real beginning of a work and the free Fantasy is defined as an extended, thematically worked out Preamble.

[3.2] To answer our first question, “Why modulation in a figured-bass treatise?” Preindl notes that the ability to create preludes and fantasies is a necessity, since organists are obliged to do so regularly, before the movements of the Mass, for example. For Preindl, the root of this ability is a self-assuredness in modulation [Modulation], a self-assuredness taught not by a “few fixed rules,” but rather by practical guidelines, which operate like signposts [Wegweiser]. In essence, modulation (and this modulatory ability) depends upon a certain harmonic propriety [harmonische Richtigkeit] that governs the movement from one key to another:

In order that the ideas be beautiful and noble, the player must be self-assured in modulation, which means the ability to move from one key to the others with harmonic propriety. Since this can be done in endless ways, let us not restrict possibilities by a few fixed rules. Instead only tried and true practical guidelines shall be set forth here, as signposts.

[Abgesehen, daß die Ideen schön und edel seyn sollen, muß auch der Spieler mit der Modulation innig vertraut seyn; nähmlich, die Fähigkeit besitzen, von einem Ton in die übrigen mit harmonischer Richtigkeit behende ausweichen zu können. Da solches auf unendlich verschiedenen Wegen erreicht werden kann, so läßt sich das Erfindungs-Vermögen eines jeden Einzelnen durch keine bestimmten Vorschriten beschränken, und nur Resultate bewährter Ergahrungsfätze sollen hier als Wegweiser aufgestellt werden.]{157}

Modulation, then, entails the movement from one key to another accomplished in a harmonically correct or appropriate manner. But how does one determine such a Richtigkeit?

Example 1

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[3.3] As Preindl promises, he teaches modulation through guidelines and by example. Preindl begins with a little modulating Preamble [kürzes Präambulum] in C major, “wherein the scales of G major, A minor, E minor, D minor, and F major are touched upon,” which he recommends be transposed into the twenty-four keys as an exercise [Example 1, {157}]. It must be noted that in this and subsequent exercises nothing is remarked of the force or strength of the modulation, no distinction drawn between lengthy modulation and fleeting tonicization, nor is there mention of close or distant key relation. Keys are simply “touched upon [berührt werden].” More important, there is no single pattern or system readily discernable in this opening example, which serves more as a flourish than a signpost.

[3.4] Soon, however, Preindl begins a more systematic exploration of modulation, one that leaves much unexplained and, accordingly, much room for conjecture. This exploration takes the form of a series of four-part modulating progressions, which can be classified, as noted above, into two large groups—patterned basses and chromatic pivot chords. These two groups can be broken down further as described in the following sections.

[3.5] Patterned basses

[3.5.1] Bass in ascending fourths and descending thirds; pages 158–61; 18 progressions. The bass follows a pattern of an ascending fourth followed by a descending third, while the soprano moves by ascending conjunct motion.

Example 2

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Example 3

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[3.5.1.1] A diatonic model is established with the first, non-modulating example, which comprises five ascending fourths, with the caution (curiously not observed in the model) to avoid the leap of an augmented fourth:

If the bass voice rises upward by leaps of a perfect fourth (which, however, may not be augmented), one can accompany it with complete perfect triads. . . . [Example 2, {158}]

[Wenn die Baßstimmen in reinen Quart-Sprüngen—welche aber nie übermäßige seyn dürfen—aufwärts steigt, kann man mit lauter vollkommenen Dreyklängen begleiten. . . ]{157}

Note that the model is scalar in nature: it entails a stepwise progression through at least a perfect fifth in all parts (the bass line embellished by leaps of a third after every step). Preindl’s principal framework in this and the other bass patterns is the scale.

[3.5.1.2] From this diatonic scalar model, two chromatic models are derived, one adding sharps, the other flats, which take them into the desired new keys, B major and B-flat major respectively [Example 3, {158}]. The basses in both models comprise four ascending fourths, again arranged in the manner of a scale. In these and subsequent examples, the modulations are accomplished (often suddenly) by means of chromatic alteration. Notes of the basic diatonic scale are simply altered chromatically to lead into the desired key. Preindl refers to these modulations as a process of distinguishing [unterscheiden] scales by means of appropriate sharps or flats. He offers the following explanation accordingly:

If one wants to modulate from one major key to another, one can distinguish all intervening scales through their appropriate sharps or flats; for example, from C major to B major . . . or from C major to B-flat major [Example 3, {158}].

[Will man von einer Dur-Tonart in eine andere moduliren, so kann man auch alle Zwischen-Scalen durch die ihnen zuständigen [sharp sign] oder [flat sign] unterschieden; z. B. von C-dur nach H-dur . . . oder: von C-dur nach B-dur.]{158}

The meaning of “intervening scale” is not clear, but implicit is a sense of tonal topography: between C major (no sharps) and B major (5 sharps) lie intermediary keys with 1, 2, 3, and 4 sharps. In modulation, presumably one adds these sharps and in doing so touches upon these intermediary keys. To reiterate: the frame of reference is the diatonic scale. No pivot-chord relationship is implied here, but instead accidentals are merely added until the key signature of goal of modulation is attained.

[3.5.1.3] In the second part of Example 3, which goes from C to B-flat major, Preindl overshoots his mark, seemingly, by adding A-flat (ostensibly to avoid the tritone):

Since the key of B-flat major contains only two flats in its key signature, so the continuation must go from E-flat to A-flat so as to avoid the leap of an augmented fourth [E-flat to A-natural]. . .

[Wiewohl die Tonart B-dur nur zwey B in der Vozeichnung enthält, so muß die Forschreitung dennoch von Es nach As . . . geschehen, um den übermäßigen Quart-Sprung zu vermeiden.]{158}

Example 4

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Example 5

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Example 6

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[3.5.1.4] Subsequent progressions in this category make minor alteration to these two chromatic models. They truncate the model, thus making the modulations less distant [Example 4, {158}]. Or they introduce their chromaticisms quickly and make their modulations more remote [Example 5, {159}]. Some of them merely embellish their models with neighboring and suspension figures. Others demonstrate the use of enharmonic equivalence, which, for Preindl, meant the enharmonic equivalence of intervals, not merely pitches:

If one wants to modulate, for example, from D-flat major (with five flats in the key signature) to B-major (with five sharps), one thinks of C-sharp in lieu of D-flat as the first tone and adjusts the following chord progression accordingly [Example 6, {161}].

[Wollte man z. B. von Des-dur (mit fünf Been im Schlüßel) nach H-dur (mit fünf Kreuzen) moduliren, so denke man statt des ersten Tones: Des sich Cis, und richte nach der davon auslaufenden Accordenfolge die Quart-Sprünge ein. . .]{161}

In essence, the progressions in this category adapt the basic scalar model of the cyclic bass pattern (and its counterpointed soprano) to various kinds of chromatic alteration. Preindl’s Wegweiser as signpost is economic to a fault: let the bass ascend by fourth then descend by third, thus forming an embellished scale fragment; add chromatic alterations so as to move (slowly or rapidly) into the scale of the target key. Having illustrated major-key modulation from C to B and B-flat, Preindl continues onward systematically to apply his model in major-key modulations from C to A, A-flat, G, G-flat, F, E, E-flat, D, and finally D-flat.

[3.5.1.5] The modulatory guidelines established with the first two models [Example 3] admit only slight alteration in Preindl’s text: for reasons of harshness it is better to exceed the goal of modulation and then fall back an accidental—go as far as B major, for example, then fall back to E major. Preindl does not speak of this as establishing the key of B major but rather of rising to the dominant B and establishing it by cadence first:

Example 7

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Example 8

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Example 9

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In this last example, it is better and less harsh sounding if one rises up by the interval of a fourth to the dominant B, and cadences there first. [Example 7, {159}].

[In diesem letzten Exempel ist es beßer, und weniger hart klingend, wenn man in Quart-Sprüngen bis zur Dominant H hinauf steigt, und dort erst cadenzirt.]{159}

Tonicization is implicit here, but without a more refined notion of chordal function (to include applied dominants, for example) Preindl must fall back upon the terms of his model: this is merely the addition of a redundant Quart-Sprung, which produces the effect of mitigating harshness.

[3.5.2] Bass in descending octave scales; pages 162–66; 15 progressions.

[3.5.2.1] Bass and soprano descend an octave through a scale-based pattern of suspensions, which Preindl describes as alternating 2 and 6 5 harmonies. Again a diatonic, non-modulating model is established in both major and minor:

Further, one can accompany the complete octave scale with alternating 2 and 6 5 chords. . . [Example 8, {162}]

[Ferner kann man herab den ganzen Octavengang mit abwechselnden Secunden- und Quint-Sexten-Accorden begleiten. . .]{161}

[3.5.2.2] Preindl then arranges his modulating examples so as to cadence to keys arranged in ascending order, the first one to D-flat major [Example 9, {162}], the second to D major, and so forth, until B major. The descending octave-scale pattern is merely truncated in the later examples, with more elaborate cadences in A-flat, A, B-flat, and B major.

[3.5.2.3] In these progressions, Preindl adopts the same procedure of substituting chromatic for diatonic pitches so as to lead the harmony to the new key. This entails a rapid chromatic alteration of the diatonic model in scales that terminate in keys with many accidentals, and a more leisurely alteration in keys with fewer inflections. In extreme instances, such as Example 9, the rapid chromatic alteration implies a concept of modulation with chromatic pivot chords (as if, for example, the downbeat were a chromatic chord in the key of the second bar). But no pivot-chord relationship is addressed here, and the scalar frame remains the explicit point of reference.

[3.5.2.4] Chromatic alteration of a patterned octave descent (a variation of the time-honored “rule of the octave”) is a particularly clear modulatory guideline or Wegweiser. Why Preindl should choose specific embellishment patterns—such as 2 to 6 5—is never explained, however. Presumably the student is left to devise other embellishment patterns by using basic modulating scale models and adapting patterns of suspension and anticipation introduced earlier in the treatise. In his favor, one notes again the economy of Preindl’s scale-based presentation: let the bass descend by step; add chromatic alterations so as to move into the scale of the target key.

Example 10

Example 10 thumbnail

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Example 11

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Example 12

Example 12 thumbnail

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[3.5.3] Bass in ascending octave scales; pages 166–68 and page 169; 8 progressions. These progressions take various patterned forms: with suspended sevenths, seconds, and ninths; with the bass in conjunct motion or broken with a pattern of leaping thirds; or simply as alternating root-position and first-inversion chords. Several models are presented [one of which is Example 10 {167}]. Again, in some rapid chromatic alterations chromatic pivot chords are implicit, as in the first measure of a modulation to A major, where Preindl adds a gratuitous C-sharp in the bass on beat 3 (gratuitous since the pattern established on the third beats of subsequent bars does not call for this alteration) [Example 11, {168}]. The scalar frame, however, remains the patent frame of reference.

[3.5.4] Bass in ascending fifths and descending fourths; pages 168–69; 2 progressions. The bass follows a pattern of an ascending fifth followed by a descending fourth, while the upper voices move largely by descending conjunct motion, with suspended fourths.

[3.5.5] Bass in descending thirds and ascending seconds; pages 170–71; 6 progressions. As Preindl describes the model:

If the bass voice falls by the leap of a third, then one can put a root-position triad on every downbeat and a 6 3 or 6 5 chord on the upbeat.

[Wenn die Grundstimme in Terz-Sprüngen herabsteigt, so kann man auf jedem Niederstreich einen reinen Dreyklang, im Auftact aber reinen Terz-Sexten, oder Quint-Sexten-Accord anbringen.]{169–70}

To his diatonic model he adds a variation with suspended ninths resolving over the change of harmony [Example 12, {171}].

[3.5.6] Bass in descending octave scales; pages 171–72; 2 progressions. Bass and soprano descend an octave through a pattern of 7-6 suspensions.

[3.5.7] Bass in descending fifths and ascending fourths; page 172; 2 progressions. Paired suspensions in upper voices produce a chain of sevenths.

[3.5.8] In summary (to answer our first question “How should a figured-bass treatise account for modulation?”), the first part of Preindl’s chapter on modulation offers a set of bass patterns, formulaic figured-bass progressions. Their model or template forms are built of diatonic scales. Their modulating forms introduce accidentals into the diatonic models so as to lead to the keys of the modulations. These chromatic scalar patterns can be altered further through extension or truncation to suit the needs of an individual modulation. As modulatory guideposts, they accord with the interval patterns introduced earlier in the treatise in the discussion of key signatures. Moreover, their framework is in keeping with the figured-bass aspect of Preindl’s treatise, since the treatise introduces nothing essentially new into the figured-bass formulation and yet remains relatively complete and self-sufficient. In essence, Preindl’s patterned-bass signposts work, without leaving us wondering about the completeness of their formulation. The same cannot be said about his second approach.

[3.6] Chromatic pivot-chord modulations

[3.6.1] The modulations appearing now in the treatise mark a sudden change in Preindl’s conception, away from modulatory bass patterns to single chromatic chords operating like pivots. Of these, two general categories can be discerned.

Example 13

Example 13 thumbnail

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[3.6.2] The bass moves up by half step; pages 172–73; 3 progressions. Preindl describes the rising half-step modulation as follows:

If the bass rises by a half step, then one can proceed directly to the next key a whole step above by means of a 6 5 chord [see Example 13, {172}].

[Wenn der Baß um einen halben Ton steigt, so kann man mit einem Quint-Sext-Accorde unmittelbar in die nächste Tonart der großen Secunde gelangen.]{172}

For a theorist equipped with the modern tools of pivot chords, this example is breathtaking. Gone are the lengthy scale-patterned models of the previous examples, to be replaced with a simple pivot-chord formulation. The lengthy (and thus clumsy) framework of the scale framework is jettisoned for a compact pivot conception.

[3.6.3] Entirely missing, however, is an explanation of the familiar pivot-chord principle at work here. Preindl’s examples are merely instances; they are not exhaustive or self-contained but rather the single outcomes of a larger overarching conception conspicuously absent from his treatise. A true Harmonielehre would explain the implicit logic behind this example: that the chord in question is the inversion of an applied chord in the old key and is treated as a dominant chord in the new key. It would, for instance, be noted that the same direct progression to the next key [unmittelbar in die nächste Tonart] could be established with the chord in root position, rather than the 6 5, or in any other inversion. Preindl’s emphasis, however, is on the pattern. A Harmonielehre would subordinate the pattern to a logic of chordal-root relation. Preindl, however, teaches only patterns and then leaves the student to extrapolate from these guideposts. Without the supplement of a Harmonielehre, that would be a difficult task.

[3.6.4] Preindl’s second category of chromatic pivot-chord modulations involve a stationary bass, and he describes three such models:

Example 14

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Example 15

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Example 16

Example 16 thumbnail

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[3.6.4.1] The bass remains stationary to become the fifth of a 6/4/3 chord; page 173; 3 progressions. In modern terms the chord in question is the V4 3 of the new key, which prepares a modulation down a major second [Example 14, {173}].

[3.6.4.2] The bass remains stationary to become the third of a 6/5/3 chord; page 173; 6 progressions. The modulatory chord is V6 5, which prepares a modulation up a minor second [Example 15, {173}].

[3.6.4.3] The bass remains stationary and above it are added a minor third, an augmented fourth, and a major sixth; page 175; 4 progressions. The modulatory chord is a diminished 4 3, which is approached and resolved with a complexity not seen before in the treatise. Preindl explains it as follows, and illustrates with a progression that modulates from C major to B major:

Through the dissonant 6 chord, with a minor third and augmented fourth, one can fall a half tone, but the chord that follows immediately must be held out so as to emphasize the new root and to render the ear sensitive to the new and unexpected harmony [Example 16, {175}].

[Durch den dissonirenden Sext-Accord, mit der kleinen Terz und übermäßigen Quarte kann man um einen halben ton herabsteigen; jedoch muß der nächstfolgende Accord verlängert werden, um den neuen Grundton vorzubereiten, und das Gehör für den unerwarteten Harmonie-Wechsel empfänglich zu machen.]{174–5}

The modulation relies upon an initial spelling of the 6/4/3 chord as a diminished seventh applied to the chord of flatVI in the new key of B major (C, E-flat, F-sharp, A). By moving the bass down a semitone and respelling E-flat enharmonically, Preindl transforms this into an altered I chord, with seventh added to become V7/IV (with quite remarkable voice leading between tenor and soprano). Implicit is the Mehrdeutigkeit of the diminished seventh chord as dominant seventh, but Preindl makes no mention of this principle. Curious as well is the fact that he refers to the new Grundton, the bass note, whereas he might have made matters clearer had he drawn attention to a new Grundbaß, or the chordal root.

[3.6.5] Unlike the patterned-bass approach, this second, implicitly pivot-chord approach seems dramatically incomplete, lacking the explanatory concept of a chordal root capable of registration through Mehrdeutigkeit in two keys. Admittedly the bias we bring—that of the Harmonielehre—may prejudice our appraisal unfairly. But given the compact formulation of this second category of examples, and the apparent lack of a precedent in figured-bass practice, this second approach seems anomalous, both in terms of Preindl’s first approach and figured-bass practice in general.

[4] Conclusion

[4.1] We began this essay with the following questions: why and how should a figured-bass treatise account for modulation? If normally such a treatise concerns itself only with realization, not with larger tonal design, modulation is irrelevant. Accordingly we described Preindl’s treatise as anomalous, especially in light of Viennese theories of Generalbaßlehre, a tradition relatively free of the influence of Harmonielehren. Obviously, however, harmonic theory has had some influence upon Preindl. In truth, as he conceived his treatise, Preindl must have asked himself the very questions we began with.

[4.2] As we have noted, Preindl bases his account largely upon two kinds of approach: bass patterns, in which the bass moves according to a strict design, primarily scalar; and pivot-chord formulations, in which the harmony moves suddenly into the new key. As we noted as well, the patterned-bass approach seems to grow logically out of figured-bass practice, while the pivot-chord approach does not. The latter suggests an incomplete understanding, perhaps under the influence of more northern Teutonic theorists, and a theoretical development going on in situ in Preindl’s thought. Let us divide these two approaches in making a final evaluation.

[4.3] In terms of the intervallic-patterns approach, we noted how Preindl establishes a precedent early in his key-signature Reihenfolge and Wechselfolge, with bass patterns of perfect fifths or major and minor thirds linking keys, a precedent later pressed into service to meet the needs of modulation. We noted how comfortably this would fit into a figured-bass tradition: no ancillary notions, no supplementary concepts would need to be introduced. The theorist says, simply: “Much as we linked key signatures together through some systematic device, like the bass moving in fifths, now we shall link whole keys by moving the bass in similar patterns and adding accidentals according to the new key signature.”

[4.4] If there is an auditory principle at work here, it is that the ear recognizes the pattern, which lends continuity to the progression; the progression derives logic from the pattern. Preindl’s patterns are bass patterns primarily: accordingly we might go so far as to say the bass is the principal focal point of the logic; the upper-voice patterns complement the bass in confirming the shift of key. This emphasis on the regularity of the bass is, of course, not out of keeping in a figured-bass tradition.

[4.5] Apparent emphasis on the bass aside, the patterned approach in general accords well with a figured-bass conception. The pattern, like any figured bass, is a given. It exists as an entity beforehand, to be realized in one of many possible forms. Setting aside any bias derived from Harmonielehre, this approach fits seamlessly into the tradition of music-as-realization to which figured-bass practice is heir. This approach would work within a pure Viennese figured-bass conception.

[4.6] The pivot-chord formulation, however, does not fit in so comfortably, and this explains something of our discomfort with this aspect of Preindl’s treatment of modulation. Pivot-chord relations are not entities in the same way as figured basses. Figured basses and Preindl’s patterns are in essence melodic givens; pivot-chord relations are formulas, more abstract and contingent upon a supplementary conception for their realization.

[4.7] Preindl, however, treats his pivot chords as if they were bass patterns, and in doing so exposes his limitations. Here we cannot eliminate the bias of our Harmonielehre. As noted, his pivot-chord formulations are markedly incomplete: they lack a framing explanation that would distinguish instance (Preindl’s example of the modulatory 6 5) from principle (that the chord in question is an applied chord in the old key, and treated as a dominant in the new key, and any inversion would be only an instance of this principle).

[4.8] To return one final time to our framing question: Why and how should a figured-bass treatise account for modulation? Why? The benefit of Preindl’s scalar bass patterns to the student, especially the student faced with creating “preambles” and “fantasies,” is clear: learning to improvise a few patterns of this sort, like learning to read a figured bass, is a finite skill, to be applied where requisite. But why did Preindl include pivot-chord like modulations, especially in such an incomplete manner? No doubt individual pivot patterns, like bass patterns, can be plugged in as needed. It would be far more useful, however, to teach the principle of chromatic pivots, and then let the student create the patterns, since the applications are manifold. Did he really think of pivot-chord modulation in a patterned way? Or was he was only just coming to know the work of his northern counterparts, such as Vogler or Weber and could not countenance completely the mind shift—from pattern to formula—that the northern theory entailed? Do we read in Preindl’s treatise, then, an incomplete coming to terms with this new conception? The question “why modulation in a figured-bass treatise?” in this regard is not so easily answered (especially when asked in the Viennese context of Schenkerian theory).(9)

[4.9] How should a figured-bass treatise account for modulation? From Preindl’s treatise, we can argue it could succeed by teaching modulatory patterns. In doing so, a figured-bass treatise would not go far beyond its customary mandate—working from an extant model or given (like a figured bass itself). From examining Preindl’s treatise, however, we might say that a figured-bass treatise should not aim to teach modulation through the use of short pivot-chord patterns. It should not do so, at least, without some supplementary explanation of chordal roots and pivotal relationships in two keys, which would begin to make it more a Harmonielehre than a Generalbaßlehre. Which is why and how Preindl’s anomalous treatise—with its Anweisung both zum Generalbaße and zur Harmonie—is curiously incomplete when it comes to modulation.(10)

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Murray Dineen
University of Ottawa
Department of Music
50 University
Ottawa, Ontario K1N 6N5
pdineen@uottawa.ca

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Footnotes

1. For a characteristically close definition of figured bass see: Walter Kolneder, Schule des Generalbaßspiels (Wilhelmshaven: Heinrichshofen, 1983), vol. 1, Die Instrumentalmusik, 9; and Carl Dahlhaus, Studies on the Origin of Harmonic Tonality, trans. by Robert O. Gjerdingen (Princeton: Princeton University Press, 1990), 135. See as well the more expansive definition in Joel Lester, Compositional Theory in the Eighteenth Century (Cambridge, Mass.: Harvard University Press, 1992), 87–89. The fine distinction I am drawing between Generalbaßlehre and Harmonielehre has, of course, not always been so clear cut. See Ulf Thomson, Voraussetzungen und Artungen der österreichischen Generalbaßlehre Zwischen Albrechtsberger und Sechter, Band 8 of Wiener Veröffentlichungen zur Musikwißenschaft (Tutzing: Hans Schneider, 1978), 9, and especially 68–71. See also Manfred Wagner, Die Harmonielehren der ersten Hälfte des 19. Jahrhunderts, Band 38 of Studien zur Musikgeschichte des 19. Jahrhunderts (Regensburg: Gustave Bosse, 1974), 27, item 1.
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2. Joseph Preindl, Wiener-Tonschule; oder Anweisung zum Generalbaße, zur Harmonie, zum Contrapuncte und der Fugen-lehre. . ., comp. and ed. by Ignaz Ritter von Seyfried, (Vienna: Tobias Haslinger, [1827]).
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3. Robert. W. Wason, Viennese Harmonic Theory from Albrechstberger to Schenker and Schoenberg (Ann Arbor: U.M.I. Research Press, 1985), 5–9. So, for example, Johann Georg Albrechtsberger’s Gründliche Anweisung zur Composition (Leipzig: Johann Gottlob Immanuel Breitkopf, 1790) can be said to be almost devoid of Harmonielehre, concerned as it is primarily with species counterpoint. Much the same can be said of Albrechtsberger’s Kurzgefaßte Methode den Generalbaß zu erlernen (Vienna: Artaria, [ca. 1792]) and the similar Generalbaß-Schule (Leipzig: Hoffmeister and Kühnel, [ca. 1804]. (The treatise, J. G. Albrechtsbergers sämmtliche Schriften über Generalbaß, Harmonie-Lehre, und Tonsetzkunst; zum Selbstunterrichte [Vienna: Anton Strauß, (ca. 1825)] was edited by Seyfried, and the extensive influence of Harmonielehre in the work may be attributable to its editor.) On the other end of the time period, Simon Sechter’s Die Grundsätze der musikalischen Komposition (Leipzig: Breitkopf und Härtel, 1853–54), especially volume 1, Die richtige Folge der Grundharmonien, oder vom Fundamentalbaß und dessen Umkehrungen und Stellvertretern, is a full-blown Viennese Harmonielehre. In between lie treatises such as the Anleitung zum General-Baß of Emmanuel Aloys Förster (1748–1823) (Vienna: Artaria, 1823), in which the influence of Harmonielehre can be detected, but not in a significant manner.
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4. We must note as a caveat Seyfried’s role as compiler and editor. A manuscript source of the Wiener Tonschule (Vienna, National Library, Preindl Sm. 5072, 78 p., 3 parts) consists primarily of contrapuntal exercises. The final revised manuscript sent for publication (Preindl Sm. 5119) is in a very different hand. Seyfried’s influence upon the treatise may have been significant (as it was presumably on Albrechtsberger’s sämmtliche Schriften [see above]), but, lacking further documentary evidence to the contrary, we shall assume that the bulk of the treatise as published is Preindl’s conception.
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5. Gottfried Weber, Versuch einer geordneten Theorie der Tonsezkunst zum Selbstunterriche mit Anmerkungen für Gelehrtere (Mainz: B. Schott, 1817–21); Georg Joseph Vogler, Tonwißenschaft und Tonsezkunst (Mannheim: Kurfürstliche Hofbuchdruckerei, 1776 [facsimile edition, Hildesheim: Georg Olms, 1970]), and Vogler, Betrachtungen der Mannheimer Tonschule (Mannheim: 1778–81 [facsimile edition, Hildesheim: Georg Olms, 1974]).
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6. Weber, Versuch, vol. 1, Grammatik der Tonsezkunst, 271.
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7. Hereafter, citations from Preindl, Wiener Tonschule, will be made directly in the text with the page number enclosed in braces.
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8. By my usage of function, I follow Preindl’s definition of Ton (see above): my function is the fixed relation that would presumably distinguish a Ton from a mere Klang. In terms of Preindl’s treatise, this concept of function entails relation to a tonal center or key, something like Daniel Harrison’s succinctly defined “harmonic attitude:” see Daniel Harrison, Harmonic Function in Chromatic Music: A Renewed Dualist Theory and an Account of Its Precedents (Chicago: University of Chicago Press, 1994), 37.
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9. See Ulf Thomson, Voraussetzungen und Artungen, 22–27. See as well, John Rothgeb, “Schenkerian Theory: Its Implications for the Undergraduate Curriculum,” Music Theory Spectrum 3 (1981): 145–46, and in particular what Rothgeb calls an “’internal system’ of organization . . . that would take harmonic theory into account,” a system internal to figured bass. He illustrates this idea by citing Schenker’s Generalbaßlehre: “. . . both the assignment and the interpretation of the figures depend upon the [totality of the] composition, and thus upon scale degrees, modulation, form, and so forth, to such an extent that even the theory of scale degrees becomes a latent, supplementary component of figured-bass theory.” (146).
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10. I am much indebted to Phil Stoker for discussions about Preindl and modulation undertaken during a directed readings course at the University of Ottawa and to research grants from the University of Ottawa and the Social Sciences and Humanities Research Council of Canada for a study of figured-bass treatises from Vienna circa 1800.
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For a characteristically close definition of figured bass see: Walter Kolneder, Schule des Generalbaßspiels (Wilhelmshaven: Heinrichshofen, 1983), vol. 1, Die Instrumentalmusik, 9; and Carl Dahlhaus, Studies on the Origin of Harmonic Tonality, trans. by Robert O. Gjerdingen (Princeton: Princeton University Press, 1990), 135. See as well the more expansive definition in Joel Lester, Compositional Theory in the Eighteenth Century (Cambridge, Mass.: Harvard University Press, 1992), 87–89. The fine distinction I am drawing between Generalbaßlehre and Harmonielehre has, of course, not always been so clear cut. See Ulf Thomson, Voraussetzungen und Artungen der österreichischen Generalbaßlehre Zwischen Albrechtsberger und Sechter, Band 8 of Wiener Veröffentlichungen zur Musikwißenschaft (Tutzing: Hans Schneider, 1978), 9, and especially 68–71. See also Manfred Wagner, Die Harmonielehren der ersten Hälfte des 19. Jahrhunderts, Band 38 of Studien zur Musikgeschichte des 19. Jahrhunderts (Regensburg: Gustave Bosse, 1974), 27, item 1.
Joseph Preindl, Wiener-Tonschule; oder Anweisung zum Generalbaße, zur Harmonie, zum Contrapuncte und der Fugen-lehre. . ., comp. and ed. by Ignaz Ritter von Seyfried, (Vienna: Tobias Haslinger, [1827]).
Robert. W. Wason, Viennese Harmonic Theory from Albrechstberger to Schenker and Schoenberg (Ann Arbor: U.M.I. Research Press, 1985), 5–9. So, for example, Johann Georg Albrechtsberger’s Gründliche Anweisung zur Composition (Leipzig: Johann Gottlob Immanuel Breitkopf, 1790) can be said to be almost devoid of Harmonielehre, concerned as it is primarily with species counterpoint. Much the same can be said of Albrechtsberger’s Kurzgefaßte Methode den Generalbaß zu erlernen (Vienna: Artaria, [ca. 1792]) and the similar Generalbaß-Schule (Leipzig: Hoffmeister and Kühnel, [ca. 1804]. (The treatise, J. G. Albrechtsbergers sämmtliche Schriften über Generalbaß, Harmonie-Lehre, und Tonsetzkunst; zum Selbstunterrichte [Vienna: Anton Strauß, (ca. 1825)] was edited by Seyfried, and the extensive influence of Harmonielehre in the work may be attributable to its editor.) On the other end of the time period, Simon Sechter’s Die Grundsätze der musikalischen Komposition (Leipzig: Breitkopf und Härtel, 1853–54), especially volume 1, Die richtige Folge der Grundharmonien, oder vom Fundamentalbaß und dessen Umkehrungen und Stellvertretern, is a full-blown Viennese Harmonielehre. In between lie treatises such as the Anleitung zum General-Baß of Emmanuel Aloys Förster (1748–1823) (Vienna: Artaria, 1823), in which the influence of Harmonielehre can be detected, but not in a significant manner.
We must note as a caveat Seyfried’s role as compiler and editor. A manuscript source of the Wiener Tonschule (Vienna, National Library, Preindl Sm. 5072, 78 p., 3 parts) consists primarily of contrapuntal exercises. The final revised manuscript sent for publication (Preindl Sm. 5119) is in a very different hand. Seyfried’s influence upon the treatise may have been significant (as it was presumably on Albrechtsberger’s sämmtliche Schriften [see above]), but, lacking further documentary evidence to the contrary, we shall assume that the bulk of the treatise as published is Preindl’s conception.
Gottfried Weber, Versuch einer geordneten Theorie der Tonsezkunst zum Selbstunterriche mit Anmerkungen für Gelehrtere (Mainz: B. Schott, 1817–21); Georg Joseph Vogler, Tonwißenschaft und Tonsezkunst (Mannheim: Kurfürstliche Hofbuchdruckerei, 1776 [facsimile edition, Hildesheim: Georg Olms, 1970]), and Vogler, Betrachtungen der Mannheimer Tonschule (Mannheim: 1778–81 [facsimile edition, Hildesheim: Georg Olms, 1974]).
Weber, Versuch, vol. 1, Grammatik der Tonsezkunst, 271.
Hereafter, citations from Preindl, Wiener Tonschule, will be made directly in the text with the page number enclosed in braces.
By my usage of function, I follow Preindl’s definition of Ton (see above): my function is the fixed relation that would presumably distinguish a Ton from a mere Klang. In terms of Preindl’s treatise, this concept of function entails relation to a tonal center or key, something like Daniel Harrison’s succinctly defined “harmonic attitude:” see Daniel Harrison, Harmonic Function in Chromatic Music: A Renewed Dualist Theory and an Account of Its Precedents (Chicago: University of Chicago Press, 1994), 37.
See Ulf Thomson, Voraussetzungen und Artungen, 22–27. See as well, John Rothgeb, “Schenkerian Theory: Its Implications for the Undergraduate Curriculum,” Music Theory Spectrum 3 (1981): 145–46, and in particular what Rothgeb calls an “’internal system’ of organization . . . that would take harmonic theory into account,” a system internal to figured bass. He illustrates this idea by citing Schenker’s Generalbaßlehre: “. . . both the assignment and the interpretation of the figures depend upon the [totality of the] composition, and thus upon scale degrees, modulation, form, and so forth, to such an extent that even the theory of scale degrees becomes a latent, supplementary component of figured-bass theory.” (146).
I am much indebted to Phil Stoker for discussions about Preindl and modulation undertaken during a directed readings course at the University of Ottawa and to research grants from the University of Ottawa and the Social Sciences and Humanities Research Council of Canada for a study of figured-bass treatises from Vienna circa 1800.
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