Voicing of B Major 7

Rooted I

Back to Bmaj7

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Left hand
B2D#3F#3A#3
Family
4-Note Rooted

The Rooted I voicing of Bmaj7 stacks B, D#, F# and A# 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 Bmaj7 is Rooted II.