Bmaj7 is a major seventh, spelled B, D#, F# and A#. In Standard tuning (E2 A2 D3 G3 B3 E4) the easiest shape is x21302, which sits at fret 1, spans 2 frets, lets 1 string ring open and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
B
D#
F#
A#
Interval
1P
3M
5P
7M
12 ways to play it
Ordered by how hard they are to fret, easiest first, one per position on the neck. Fret numbers are relative to the position marked beside each grid.
x21302sits at fret 1, spans 2 frets, lets 1 string ring open and mutes 1 stringx24342sits at fret 2, needs a barre across 5 strings at fret 2 and mutes 1 string798877sits at fret 7 and needs a barre across 6 strings at fret 7764406sits at fret 4, needs a barre across 2 strings at fret 4 and lets 1 string ring open76880xsits at fret 6, spans 2 frets, lets 1 string ring open and mutes 1 stringxx9111111sits at fret 9, spans 2 frets and mutes 2 stringsx64306sits at fret 3, spans 3 frets, lets 1 string ring open and mutes 1 stringx9880xsits at fret 8, needs a barre across 2 strings at fret 8, lets 1 string ring open and mutes 2 stringsx141315014sits at fret 13, spans 2 frets, lets 1 string ring open and mutes 1 string111313111211sits at fret 11 and needs a barre across 6 strings at fret 11x14131512xsits at fret 12, spans 3 frets and mutes 2 stringsx2434xsits at fret 2, spans 2 frets and mutes 2 strings
Keys Bmaj7 belongs to
Bmaj7 is diatonic to 16 of the 96 keys this app knows, playing a different role in each.