Example 10. Opening percussion-led ensemble and the entry of trombone ensemble as contrasting middle (mm. 1–3 and mm. 51–54 of Gougalōn III)

(Gougalōn by Unsuk Chin © 2009 by Boosey & Hawkes Music Publishers Ltd.) (Contact! 2012–2013 © 2013 by The Philharmonic-Symphony Society of New York Inc., Orchestra: New York Philharmonic, Conductor: Alan Gilbert)