Gm7, 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
Gm7	?	Outside the key (bvi7)
G♭7	V7	Dominant