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- Left hand
- Bbb2Dbb3Gb3
- Family
- Triads
The 1st Inversion voicing of Gbdim stacks Bbb, Dbb and Gb from the bottom up: the minor 3rd, flat 5th and root of the chord.
It's one of the Triads voicings. The others for Gbdim are Root Inversion, 2nd Inversion and Doubled Root.