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- Left hand
- Eb3F3Bb3
- Family
- Triads
The 1st Inversion voicing of Bbsus4 stacks Eb, F and Bb from the bottom up: the 4th, 5th and root of the chord.
It's one of the Triads voicings. The others for Bbsus4 are Root Inversion, 2nd Inversion and Doubled Root.