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- Left hand
- Cb3F3Ab3
- Family
- Triads
The 2nd Inversion voicing of Fdim stacks Cb, F and Ab from the bottom up: the flat 5th, root and minor 3rd of the chord.
It's one of the Triads voicings. The others for Fdim are Root Inversion, 1st Inversion and Doubled Root.