4819 / 18210 · Workshop 31 — “Giant Steps”: Coltrane Changes, Major-Third Key Cycles, Ultra-Fast Tonal Reorientation, and Surviving Harmony That Moves Faster Than You Can Think← prev⊞ allnext → 31.27In E♭
Fm7:
A♭-E♭.
B♭7:
A♭-D.
E♭maj7:
G-D.
Same logic.