Chord sequence

Cm7, F7, Bbm7, Eb7, Abm7, Db7, Ebmaj7

Cm7 F7 B♭m7 E♭7 A♭m7 D♭7 E♭maj7

Tempo 120 BPM

Rootless Shells Guide tones Rooted shells Rooted Drop 2

Four-note rootless voicings in their two forms, with the 3rd or the 7th on the bottom, played over the root.

Customize each chord

Cm7
F7
Bbm7
Eb7
Abm7
Db7
Ebmaj7

Analysis

Heard in Eb major

Each chord's roman numeral and role in Eb major
Chord	Numeral	Role
Cm7	vi7	Diatonic
F7	V7/v	Secondary dominant of v
B♭m7	ii7/iv	ii of the ii-V to iv
E♭7	V7/iv	Secondary dominant of iv
A♭m7	iv7	Borrowed from Eb minor
D♭7	♭VII7	Borrowed from Eb minor
E♭maj7	Imaj7	Tonic

Progressions in these changes

All the chords

Whole-Step ii-V Chain in Eb

Three ii-Vs, each a whole step below the last and the last one the backdoor ii-V: a chain of keys that doesn't arrive until the end.

Scales to play