Harmonic Vectors and the Constraints of Tonality

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Nicholas Meeus


The theory of harmonic vectors (THV) rests on the hypothesis that tonal functions result from root progressions, not the reverse: it is a transformational theory of the tonal harmonic process. The article discusses three interconnected constraints: the asymmetry of progressions, their limitation to the diatonic span, and the affirmation of the tonic.

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