Chord sequence

Bbm7, Eb7

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

Bbm7
Eb7

Analysis

Heard in Ab major

Each chord's roman numeral and role in Ab major
Chord	Numeral	Role
B♭m7	ii7	Subdominant
E♭7	V7	Dominant

Progressions in these changes

All the chords

Major ii-V Progression in Ab

The building block of jazz harmony: a minor 7th chord on the 2nd degree moving up a fourth to the dominant 7th on the 5th.
All the chords

i-IV Vamp in Bb

A two-chord vamp of a minor 7th on i and a dominant 7th on IV, both from one Dorian scale.

Scales to play