9796 / 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 → 81.6Level 1 — C major + D major
LH:
C-E-G.
RH:
D-F♯-A.
Play:
LH first.
Then RH.
Then together.
Listen for two stages:
C major established.
D major appears above.