Tune Forms

Rhythm Changes in Bb

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).

120 BPM
Practice in all 12 keys
  1. Bar 1: B♭6 I6 Gm7 vi7
  2. Bar 2: Cm7 ii7 F7 V7
  3. Bar 3: B♭6 I6 Gm7 vi7
  4. Bar 4: Cm7 ii7 F7 V7
  5. Bar 5: B♭6 I6 B♭7 I7
  6. Bar 6: E♭6 IV6 Edim7 ♯iv°7
  7. Bar 7: B♭6 I6 F7 V7
  8. Bar 8: B♭6 I6
  1. Bar 9: B♭6 I6 Gm7 vi7
  2. Bar 10: Cm7 ii7 F7 V7
  3. Bar 11: B♭6 I6 Gm7 vi7
  4. Bar 12: Cm7 ii7 F7 V7
  5. Bar 13: B♭6 I6 B♭7 I7
  6. Bar 14: E♭6 IV6 Edim7 ♯iv°7
  7. Bar 15: B♭6 I6 F7 V7
  8. Bar 16: B♭6 I6
  1. Bar 17: D7 III7
  2. Bar 18: the bar before again, D7
  3. Bar 19: G7 VI7
  4. Bar 20: the bar before again, G7
  5. Bar 21: C7 II7
  6. Bar 22: the bar before again, C7
  7. Bar 23: F7 V7
  8. Bar 24: the bar before again, F7
  1. Bar 25: B♭6 I6 Gm7 vi7
  2. Bar 26: Cm7 ii7 F7 V7
  3. Bar 27: B♭6 I6 Gm7 vi7
  4. Bar 28: Cm7 ii7 F7 V7
  5. Bar 29: B♭6 I6 B♭7 I7
  6. Bar 30: E♭6 IV6 Edim7 ♯iv°7
  7. Bar 31: B♭6 I6 F7 V7
  8. Bar 32: B♭6 I6
Voicing family

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

Customize each chord
Meter
4/4
Form
A-A-B-A
Bars
32
Usual key
Bb

Bebop musicians wrote dozens of new melodies over these changes. The A sections spin I-vi-ii-V turnarounds (players often make the vi a VI7 or a #i°7), and the bridge moves through dominants two bars at a time. Practice the A sections as a loop of ii-Vs in Bb, the traditional key, then the bridge with guide tones until you can hear each dominant coming.

Reharmonize Analyze these changes

Variations