Gm7, C7, Fm7, Bb7, Ebm7, Ab7, Adim7, Bbmaj7

Analysis

Heard in Bb minor

Progressions in these changes

• Chords 1 to 4

  Major iii-VI-ii-V Progression in Eb

  Gm7 C7 Fm7 Bb7

• Chords 3 to 6

  Major iii-VI-ii-V Progression in Db

  Fm7 Bb7 Ebm7 Ab7

Scales to play

• Over Gm7 · ii7/v

  G Aeolian

  Mode 6 of Major

• Over C7 · V7/v

  C Mixolydian b6

  Mode 5 of Melodic Minor

• Over Fm7 · v7

  F Aeolian

  Mode 6 of Major

• Over Bb7 · V7/iv

  Bb Mixolydian b6

  Mode 5 of Melodic Minor

• Over Ebm7 · iv7

  Eb Dorian

  Mode 2 of Major

• Over Ab7 · ♭VII7

  Ab Mixolydian

  Mode 5 of Major

• Over Adim7 · vii°7

  A Altered Diminished

  Mode 7 of Harmonic Minor

• Over Bbmaj7 · Imaj7

  Bb Ionian

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