Bebop Rhythm Changes in B

Tempo 120 BPM

Bar 17: A♯m7 vii7 D♯7 III7
Bar 18: the bar before again, A#m7 D#7
Bar 19: D♯m7 iii7 G♯7 VI7
Bar 20: the bar before again, D#m7 G#7
Bar 21: G♯m7 vi7 C♯7 II7
Bar 22: the bar before again, G#m7 C#7
Bar 23: C♯m7 ii7 F♯7 V7
Bar 24: the bar before again, C#m7 F#7

Rootless Shells Guide tones Rooted shells Rooted Drop 2

Four-note rootless voicings in their two forms, with the 3rd or the 7th on the bottom, played over the root.

Customize each chord

B6
G#7
C#m7
F#7
D#m7
G#7
C#m7
F#7
F#m7
B7
E7
E#dim7
D#m7
G#7
C#m7
F#7
B6
G#7
C#m7
F#7
D#m7
G#7
C#m7
F#7
F#m7
B7
E7
E#dim7
D#m7
G#7
C#m7
F#7
A#m7
D#7
A#m7
D#7
D#m7
G#7
D#m7
G#7
G#m7
C#7
G#m7
C#7
C#m7
F#7
C#m7
F#7
B6
G#7
C#m7
F#7
C#m7
F#7
B6
F#m7
B7
E7
E#dim7
D#m7
G#7
C#m7
F#7

Meter: 4/4
Form: A-A-B-A
Bars: 32
Usual key: Bb

With a new chord every two beats, the A sections become an almost continuous chain of ii-Vs, which is why the form is a test piece at jam sessions, usually fast and in Bb. Rhythm sections mix these changes with the original ones freely. Practice the A section in two-bar pieces, and the bridge as four ii-Vs falling in fifths.

Reharmonize Analyze these changes

Variations

Rhythm Changes

I6 vi7 | ii7 V7 | I6 vi7 | ii7 V7 | I6 I7 | IV6 ♯iv°7 | I6 V7 | I6 …

In B: B6 G#m7 C#m7 F#7 B6 G#m7 C#m7 F#7 …

The 32-bar A-A-B-A form of Gershwin's “I Got Rhythm”, the second most commonly played progression in jazz: I-vi-ii-V turnarounds in the A sections and a bridge of dominant 7ths around the cycle of fifths (III7, VI7, II7, V7).

Bebop Rhythm Changes in B

Reharmonize Analyze these changes

Tritone substitutes

Related ii chords

Backdoor dominants

Passing diminished chords

Variations

Rhythm Changes