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- Left hand
- Fb3Ab3Cb4Eb4
- Family
- 4-Note Rooted
The Rooted I voicing of Fbmaj7 stacks Fb, Ab, Cb and Eb from the bottom up: the root, major 3rd, 5th and major 7th of the chord.
It's one of the 4-Note Rooted voicings: four-note voicings with the root on the bottom or inside, in the left hand. The other for Fbmaj7 is Rooted II.