9891 / 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 →
81.101Ear Drill — common-tone glue
C major + E♭ major.
Listen for G.
Now remove G from both structures.
Does the clash feel less connected?
The common tone is doing important work.