Space plays and stops
- Left hand
- C3F3Bb3
- Right hand
- Eb4G4
- Family
- 5-Note Quartal
The So What I voicing of Cm9 stacks C, F, Bb, Eb and G 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 Cm9 is So What II.