BookatlasPiano Rabbit Hole: Improvisation Theory & Practice
9841 / 18210 · Workshop 81 — Polychords and Bitonal Hearing: Two Harmonic Worlds at Once, Upper Structure vs. True Polychord, Controlled Clashes, and Making “Wrong” Chords Sound Intentional← prev⊞ allnext →

81.51Level 22 — assert the upper key

C-major bass/pad.

RH plays:

D-F♯-A

then:

E-F♯-A

then returns D-major triadic material.

Keep phrases resolving to D/F♯/A rather than C/E/G.

Now upper layer resists being absorbed into C.