Chord sequence

Cm7b5, F7b9, Bbmaj7

Cm7♭5 F7♭9 B♭maj7

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

Cm7b5
F7b9
Bbmaj7

Analysis

Heard in Bb major

Each chord's roman numeral and role in Bb major
Chord	Numeral	Role
Cm7♭5	iiø7	Borrowed from Bb minor
F7♭9	V7♭9	Dominant
B♭maj7	Imaj7	Tonic

Progressions in these changes

All the chords

Minor ii-V to Major Progression in Bb

A minor ii-V resolving to a major I: the half-diminished ii and the dominant's b9 darken the approach, then the major tonic brightens it.

Scales to play