Am7b5 is a half-diminished, spelled A, C, Eb and G. In Open G tuning (D2 G2 D3 G3 B3 D4) the easiest shape is x21011, which sits at fret 1, spans 1 fret, 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
A
C
Eb
G
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.
x21011sits at fret 1, spans 1 fret, lets 1 string ring open and mutes 1 stringx2554xsits at fret 2, spans 3 frets and mutes 2 strings70554xsits at fret 4, spans 3 frets, lets 1 string ring open and mutes 1 string755885sits at fret 5 and needs a barre across 5 strings at fret 57870810sits at fret 7, needs a barre across 3 strings at fret 7 and lets 1 string ring openx141301313sits at fret 13, spans 1 fret, lets 1 string ring open and mutes 1 stringx01081010sits at fret 8, spans 2 frets, lets 1 string ring open and mutes 1 stringx14131213xsits at fret 12, spans 2 frets and mutes 2 strings1001001010sits at fret 10, needs no stretch at all and lets 2 strings ring openx2101xsits at fret 1, spans 1 fret, lets 1 string ring open and mutes 2 stringsx01211sits at fret 1, needs a barre across 4 strings at fret 1, lets 1 string ring open and mutes 1 string10121xsits at fret 1, spans 1 fret, lets 1 string ring open and mutes 1 string
Keys Am7b5 belongs to
Am7b5 is diatonic to 8 of the 96 keys this app knows, playing a different role in each.