Space plays and stops
- Left hand
- Ab3Db4Gb4
- Right hand
- Cb5Eb5
- Family
- 5-Note Quartal
The So What II voicing of Gbm9 stacks Ab, Db, Gb, Cb and Eb from the bottom up: the 9th, 5th, root, 11th and 13th of the chord.
It's one of the 5-Note Quartal voicings. The other for Gbm9 is So What I.