Space plays and stops
- Left hand
- A#2
- Right hand
- C#4G#4A#4E5
- Family
- Drop 2
The Drop 2 IV voicing of A#m7b5 stacks C#, G#, A# and E from the bottom up: the minor 3rd, minor 7th, root and flat 5th of the chord.
It's one of the Drop 2 voicings: four-note chords in close position with the second note from the top dropped an octave, played over the root. The others for A#m7b5 are Drop 2 I, Drop 2 II and Drop 2 III.