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- Left hand
- Bb2Eb3F3
- Family
- Triads
The Root Inversion voicing of Bbsus4 stacks Bb, Eb and F from the bottom up: the root, 4th and 5th of the chord.
It's one of the Triads voicings. The others for Bbsus4 are 1st Inversion, 2nd Inversion and Doubled Root.