9813 / 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 →
81.23Level 7 — one-beat versus four-bar upper chord
C pedal.
D♭ major RH for:
One beat
approach color.
One bar
strong outside region.
Four bars
potentially true bitonal/modal environment.
Time determines how seriously the listener accepts the second layer.