7667 / 18210 · Workshop 60 — “Butterfly”-Type Floating Harmony: Deep Pocket, Pedal Centers, Upper Structures, Parallel Voicings, Common-Tone Motion, and Making Harmony Feel Suspended Rather Than Functional← prev⊞ allnext →
60.14B♭/C
B♭-D-F over C gives:
♭7
9
This is classic suspended/modal color.
You could think:
C9sus-type environment.