Cm7, F7, Dbm7, Gb7 in Cb

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

Analysis

Heard in B major

Each chord's roman numeral and role in B major
Chord	Numeral	Role
Cm7	♭ii7	ii of the ii-V to F7
F7	V7/vii	Secondary dominant, unresolved
D♭m7	ii7	Subdominant
G♭7	V7	Dominant