Space plays and stops
- Left hand
- Ab2
- Right hand
- Cb4Fb4Ab4Eb5
- Family
- Drop 2
The Drop 2 IV voicing of Abmb6 stacks Cb, Fb, Ab and Eb from the bottom up: the minor 3rd, flat 6th, root and 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 Abmb6 are Drop 2 I, Drop 2 II and Drop 2 III.