Chord sequence

Cbm7, E7, Fdim7, Gbm7

C♭m7 E7 Fdim7 G♭m7

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

Cbm7
E7
Fdim7
Gbm7

Analysis

Heard in Gb minor

Each chord's roman numeral and role in Gb minor
Chord	Numeral	Role
C♭m7	iv7	Subdominant
E7	♭VII7	Diatonic
Fdim7	vii°7	Diatonic
G♭m7	i7	Tonic

Progressions in these changes

Chords 1 to 2

Major ii-V Progression in A

Cbm7 E7

Scales to play