Space plays and stops
- Left hand
- Ab2
- Right hand
- Gb4Bb4Db5Eb5
- Family
- 4-Note Rootless (Type A/B)
The Type B voicing of Ab9sus4 stacks Gb, Bb, Db and Eb from the bottom up: the minor 7th, 9th, 4th and 5th of the chord. It leaves out the root, Ab, for the left hand or the bass player to take.
It's one of the 4-Note Rootless (Type A/B) voicings: four-note rootless voicings in their two forms, with the 3rd or the 7th on the bottom, played over the root. The other for Ab9sus4 is Type A.