Gbm7, B7, Gm7, C7 in F

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 F major

Each chord's roman numeral and role in F major
Chord	Numeral	Role
G♭m7	♭ii7	ii of the ii-V to B7
B7	V7/vii	Secondary dominant, unresolved
Gm7	ii7	Subdominant
C7	V7	Dominant