Fbm7, A7, Bbdim7, Cbmaj7 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 Cb major

Each chord's roman numeral and role in Cb major
Chord	Numeral	Role
F♭m7	iv7	Borrowed from Cb minor
A7	♭VII7	Borrowed from Cb minor
B♭dim7	vii°7	Passing diminished, rising to I
C♭maj7	Imaj7	Tonic