BookatlasPiano Rabbit Hole: Improvisation Theory & Practice
9792 / 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 →

81.2Why this is not necessarily a true polychord

Because D major is functioning primarily as a convenient organization of:

C-chord extensions.

The ear may not hear:

“C chord plus an independent D-major chord.”

It may simply hear:

“rich C Lydian harmony.”

That distinction matters today.