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- Left hand
- Ab2Cb3F3
- Family
- Triads
The 1st Inversion voicing of Fdim stacks Ab, Cb and F from the bottom up: the minor 3rd, flat 5th and root of the chord.
It's one of the Triads voicings. The others for Fdim are Root Inversion, 2nd Inversion and Doubled Root.