3826 / 18210 · Workshop 20 — “I Got Rhythm” / Rhythm Changes: AABA Form, Fast Turnarounds, Dominant Chains, and Thinking One Phrase Ahead← prev⊞ allnext →
20.45Hear the shared directional note
B°7 contains:
B.
G7 contains:
B.
Both emphasize:
B → C
toward Cm.
That is why both can work as approach devices.