9697 / 18210 · Workshop 80 — Harmonic Ambiguity and Delayed Identity: Sus Chords, No-3rd Voicings, Slash Chords, Pedals, and Letting the Listener Discover the Harmony← prev⊞ allnext → 80.17Sus dominant ambiguity
C9sus can function as:
- prolonged dominant
- modal vamp
- preparation for C7
- color over C pedal
- IV-ish upper harmony over C
Context decides.