Fm7, Bb7, Bbm7, Eb7, Ebm7, Ab7, Abm7, Db7, Gbmaj7

Analysis

Heard in Gb major

Progressions in these changes

• Chords 1 to 2

  Major ii-V Progression in Eb

  Fm7 Bb7

• Chords 3 to 4

  Major ii-V Progression in Ab

  Bbm7 Eb7

• Chords 5 to 6

  Major ii-V Progression in Db

  Ebm7 Ab7

• Chords 7 to 9

  Major ii-V-I Progression in Gb

  Abm7 Db7 Gbmaj7

Scales to play

• Over Fm7 · vii7

  F Minor Blues

  Mode 6 of Blues

• Over Bb7 · V7/vi

  Bb Minor Blues

  Mode 6 of Blues

• Over Bbm7 · iii7

  Bb Aeolian

  Mode 6 of Major

• Over Eb7 · V7/ii

  Eb Minor Blues

  Mode 6 of Blues

• Over Ebm7 · vi7

  Eb Aeolian

  Mode 6 of Major

• Over Ab7 · V7/V

  Ab Mixolydian

  Mode 5 of Major

• Over Abm7 · ii7

  Ab Dorian

  Mode 2 of Major

• Over Db7 · V7

  Db Mixolydian

  Mode 5 of Major

• Over Gbmaj7 · Imaj7

  Gb Ionian

  The major scale and its modes are the most commonly used scales in western music.