3823 / 18210 · Workshop 20 — “I Got Rhythm” / Rhythm Changes: AABA Form, Fast Turnarounds, Dominant Chains, and Thinking One Phrase Ahead← prev⊞ allnext →
20.42Level 18 — A-section substitutions
The A section itself has many common variants.
The important lesson is not to memorize every historical version.
It is to retain the skeleton:
tonic area → turnaround → predominant/dominant → tonic.
Different musicians may decorate it differently.