9882 / 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 → 81.92Practice Loop F — staged modulation
Old key lower.
New key upper.
Overlap.
Remove old layer.
Establish new bass.
Do with:
C→D♭
and:
C→E♭.