B#m7b5 is a half-diminished, spelled B#, D#, F# and A#. In Drop D tuning (D2 A2 D3 G3 B3 E4) the easiest shape is x31312, which sits at fret 1, needs a barre across 3 strings at fret 1 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
5d
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.
x31312sits at fret 1, needs a barre across 3 strings at fret 1 and mutes 1 stringx3434xsits at fret 3, needs a barre across 3 strings at fret 3 and mutes 2 strings464546sits at fret 4 and needs a barre across 5 strings at fret 4xx10111111sits at fret 10, spans 1 fret and mutes 2 strings10988xxsits at fret 8, needs a barre across 2 strings at fret 8 and mutes 2 stringsxx8878sits at fret 7, spans 1 fret and mutes 2 stringsx1513151314sits at fret 13, needs a barre across 3 strings at fret 13 and mutes 1 stringx6857xsits at fret 5, spans 3 frets and mutes 2 stringsx1313111311sits at fret 11, needs a barre across 3 strings at fret 11 and mutes 1 stringxx10876sits at fret 6, spans 4 frets and mutes 2 strings111312sits at fret 1 and needs a barre across 5 strings at fret 1131312sits at fret 1 and needs a barre across 5 strings at fret 1
Keys B#m7b5 belongs to
B#m7b5 is diatonic to 8 of the 96 keys this app knows, playing a different role in each.