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- Left hand
- B2D3F3B3
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- Triads
The Doubled Root voicing of Bdim stacks B, D, F and B from the bottom up: the root, minor 3rd, flat 5th and root of the chord.
It's one of the Triads voicings. The others for Bdim are Root Inversion, 1st Inversion and 2nd Inversion.