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- Left hand
- G2Bb2D3G3
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- Triads
The Doubled Root voicing of Gm stacks G, Bb, D and G from the bottom up: the root, minor 3rd, 5th and root of the chord.
It's one of the Triads voicings. The others for Gm are Root Inversion, 1st Inversion and 2nd Inversion.