B7 is a dominant seventh, spelled B, D#, F# and A. In DADGAD tuning (D2 A2 D3 G3 A3 D4) the easiest shape is x2120x, which sits at fret 1, spans 1 fret, lets 1 string ring open and mutes 2 strings. 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.
x2120xsits at fret 1, spans 1 fret, lets 1 string ring open and mutes 2 strings90989xsits at fret 8, spans 1 fret, lets 1 string ring open and mutes 1 string907897sits at fret 7, needs a barre across 4 strings at fret 7 and lets 1 string ring openx04464sits at fret 4, needs a barre across 4 strings at fret 4, lets 1 string ring open and mutes 1 string90786xsits at fret 6, spans 3 frets, lets 1 string ring open and mutes 1 stringx24264sits at fret 2, needs a barre across 3 strings at fret 2 and mutes 1 stringx1413140xsits at fret 13, spans 1 fret, lets 1 string ring open and mutes 2 stringsx141311013sits at fret 11, spans 3 frets, lets 1 string ring open and mutes 1 stringx14131412xsits at fret 12, spans 2 frets and mutes 2 strings901311013sits at fret 9, spans 4 frets and lets 2 strings ring openx21201sits at fret 1, spans 1 fret, lets 1 string ring open and mutes 1 stringx21221sits at fret 1, needs a barre across 4 strings at fret 1 and mutes 1 string
Keys B7 belongs to
B7 is diatonic to 8 of the 96 keys this app knows, playing a different role in each.