9979 / 18210 · Workshop 82 — Symmetrical Harmony and Harmonic Geometry: Diminished Cycles, Augmented Triads, Whole-Tone Motion, Major-Third Systems, and Escaping Ordinary Tonal Gravity← prev⊞ allnext →
82.72Level 37 — alternate dominant roots around same shell
RH:
B-F.
LH:
G.
Then:
D♭.
Same RH.
Different bass.
Hear:
G7
D♭7.
This is perhaps the cleanest demonstration of symmetry becoming substitution.