Space plays and stops
- Left hand
- Bb2
- Right hand
- Ab3D4F#4Bb4
- Family
- Drop 2
The Drop 2 II voicing of Bb7#5 stacks Ab, D, F# and Bb from the bottom up: the minor 7th, major 3rd, sharp 5th and root 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 Bb7#5 are Drop 2 I, Drop 2 III and Drop 2 IV.