BookatlasPiano Rabbit Hole: Improvisation Theory & Practice
9851 / 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 →

81.61Level 28 — bitonal transition using common rhythm

Even if keys conflict:

keep the same rhythmic motif in both layers.

The rhythm unifies them.

Harmony disagrees.

This creates controlled complexity.