Space plays and stops
- Left hand
- Fb3A3Ebb4
- Right hand
- Abb4Cb5
- Family
- 5-Note Quartal
The So What I voicing of Fbm7 stacks Fb, A, Ebb, Abb and Cb from the bottom up: the root, 11th, minor 7th, minor 3rd and 5th of the chord.
It's one of the 5-Note Quartal voicings. The other for Fbm7 is So What II.