9893 / 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 →
81.103Ear Drill — bitonal establishment
First play C major alone for four bars.
Then D major alone four.
Then combine.
Compare with combining them immediately without prior establishment.
The pre-established version should make two-layer hearing easier.