Space plays and stops
- Left hand
- Ab3Db4Gb4
- Right hand
- Cb5Eb5
- Family
- 5-Note Quartal
The So What I voicing of Abm9 stacks Ab, Db, Gb, Cb and Eb from the bottom up: the root, 11th, minor 7th, minor 3rd and 5th of the chord.
It's one of the 5-Note Quartal voicings. The other for Abm9 is So What II.