Space plays and stops
- Left hand
- A#2D#3G#3
- Family
- Rooted Guide Tones
The Rooted Guide Tones I voicing of A#9sus4 stacks A#, D# and G# from the bottom up: the root, 4th and minor 7th of the chord.
It's one of the Rooted Guide Tones voicings: the root, 3rd and 7th in the left hand, as bebop pianists comped. The other for A#9sus4 is Rooted Guide Tones II.