Am7, D7, Abm7, Db7, Gm7, C7, Fmaj7

Analysis

Heard in F major

Progressions in these changes

• All the chords

  Half-Step ii-V Chain in F

  ii-Vs falling by half steps: iii-VI, the ii-V a half step lower, then ii-V-I.

Scales to play

• Over Am7 · iii7

  A Aeolian

  Mode 6 of Major

• Over D7 · V7/ii

  D Minor Blues

  Mode 6 of Blues

• Over Abm7 · ♭iii7

  Ab Dorian

  Mode 2 of Major

• Over Db7 · ♭VI7

  Db Lydian Dominant

  Mode 4 of Melodic Minor

• Over Gm7 · ii7

  G Dorian

  Mode 2 of Major

• Over C7 · V7

  C Mixolydian

  Mode 5 of Major

• Over Fmaj7 · Imaj7

  F Ionian

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