Intro

i           subV  i          subV  V/bVI   iv
Gm (maj11)  Ab7   Gm (maj7)  Ab7    Bb7   Cm9 (#11)

Gm  Ab13#11  Gm  Ab13#11  Bb13  Cm9

Verse

i          V/bVI     bVI     subV
Gm  Gm7  Bb13(11)/F  Ebmaj7  Ab7

i   Db: I      v    IV    Bb: I  bVII
Gm    Dbmaj7  Abm7  Gbmaj7    Bb  Ab

Bridge (Really starts on Fm9)

          f: i    IV    i
Gm  Bb13/F  Fm9   Bb7  Fm9

I
C Cmaj7 (C lydian melody: 1 2 3 #4 5 6 5)

bV
Gb7 (C altered melody: b7 1 b9 #9 3 #4 3)

I         bV
E6 Emaj7  Bb7

I        IV    Db:  I      v       IV
      g: subV i                Bb: bVI    I  bVII
Ebmaj7   Ab7  Gm  Dbmaj7  Abm7    Gbmaj7  Bb  Ab  -> verse

Outro

                    bVI bVII I
Bb  Ab  Bb  Ab  Bb  Gb   Ab  Bb