3371 / 18210 · Workshop 15 — “Satin Doll”: Turnarounds, ii–V Chains, Dominant Movement, and Comping Like You Mean It← prev⊞ allnext →
15.27But the roots move by fifths
A → D → G → C.
So you have two simultaneous structures:
bass: circle-of-fifths motion
upper voice: leading-tone semitone motion.
That is strong functional harmony.