BookatlasPiano Rabbit Hole: Improvisation Theory & Practice
9870 / 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 →

81.80Level 41 — polychordal melody harmonization

Suppose melody note:

A.

Lower harmony: C major.

Upper layer: D major includes A.

Now melody can belong primarily to upper world while bass/harmony below remains C.

This creates layered melodic identity.