9905 / 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 →
81.115Polychords and improvisation
Do not improvise simultaneously in:
seven-note lower scale
plus seven-note upper scale
randomly.
Instead:
choose a small upper object:
triad
pentatonic
3-note motif.
Keep lower harmonic center stable.
That preserves intelligibility.