Am7b5 is a half-diminished, spelled A, C, Eb and G. In Standard tuning (E2 A2 D3 G3 B3 E4) the easiest shape is x0101x, which sits at fret 1, needs no stretch at all, lets 2 strings ring open and mutes 2 strings. 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.
x0101xsits at fret 1, needs no stretch at all, lets 2 strings ring open and mutes 2 stringsx05545sits at fret 4, spans 1 fret, lets 1 string ring open and mutes 1 stringx05543sits at fret 3, spans 2 frets, lets 1 string ring open and mutes 1 string5655xxsits at fret 5, needs a barre across 4 strings at fret 5 and mutes 2 stringsx07888sits at fret 7, spans 1 fret, lets 1 string ring open and mutes 1 stringx010888sits at fret 8, needs a barre across 3 strings at fret 8, lets 1 string ring open and mutes 1 stringx01001011sits at fret 10, spans 1 fret, lets 2 strings ring open and mutes 1 stringx01301311sits at fret 11, spans 2 frets, lets 2 strings ring open and mutes 1 stringx0131213xsits at fret 12, spans 1 fret, lets 1 string ring open and mutes 2 stringsx67088sits at fret 6, spans 2 frets, lets 1 string ring open and mutes 1 string5352xxsits at fret 2, spans 3 frets and mutes 2 stringsx013013xsits at fret 13, needs no stretch at all, lets 2 strings ring open and mutes 2 strings
Keys Am7b5 belongs to
Am7b5 is diatonic to 8 of the 96 keys this app knows, playing a different role in each.