Voicing of A# Dominant b5

Rooted I

Back to A#7b5

Space plays and stops
Left hand
A#2C##3E3G#3
Family
4-Note Rooted

The Rooted I voicing of A#7b5 stacks A#, C##, E and G# from the bottom up: the root, major 3rd, flat 5th and minor 7th of the chord.

It's one of the 4-Note Rooted voicings: four-note voicings with the root on the bottom or inside, in the left hand. The other for A#7b5 is Rooted II.