Space plays and stops
- Left hand
- Ab2
- Right hand
- Cb4G4Ab4Eb5
- Family
- Drop 2
The Drop 2 IV voicing of Abm(maj7) stacks Cb, G, Ab and Eb from the bottom up: the minor 3rd, major 7th, 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 Abm(maj7) are Drop 2 I, Drop 2 II and Drop 2 III.