BookatlasPiano Rabbit Hole: Improvisation Theory & Practice
9900 / 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 →

81.110The difference between sophistication and randomness

Randomly place two unrelated chords together:

you get complexity.

Establish:

one lower center

one upper center

clear register

clear rhythm

clear duration

clear resolution—

and the listener can understand the conflict.

That is composition.