Dm7, G7, Dbm7, Gb7, Cm7, B7, Bbmaj7

Analysis

Heard in Bb major

Progressions in these changes

• Chords 1 to 2

  Major ii-V Progression

  Dm7 G7

• Chords 3 to 4

  Major ii-V Progression in Cb

  Dbm7 Gb7

• Chords 5 to 7

  Tritone Sub ii-V-I Progression in Bb

  Cm7 B7 Bbmaj7

Scales to play

• Over Dm7 · iii7

  D Aeolian

  Mode 6 of Major

• Over G7 · V7/ii

  G Minor Blues

  Mode 6 of Blues

• Over Dbm7 · ♭iii7

  Db Dorian

  Mode 2 of Major

• Over Gb7 · ♭VI7

  Gb Lydian Dominant

  Mode 4 of Melodic Minor

• Over Cm7 · ii7

  C Dorian

  Mode 2 of Major

• Over B7 · subV7

  B Lydian Dominant

  Mode 4 of Melodic Minor

• Over Bbmaj7 · Imaj7

  Bb Ionian

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