Abdim is a diminished, spelled Ab, Cb and Ebb. In Drop D tuning (D2 A2 D3 G3 B3 E4) the easiest shape is 02010x, which sits at fret 1, spans 1 fret, lets 3 strings ring open and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
Ab
Cb
Ebb
Interval
1P
3m
5d
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.
02010xsits at fret 1, spans 1 fret, lets 3 strings ring open and mutes 1 string650707sits at fret 5, spans 2 frets and lets 2 strings ring open65040xsits at fret 4, spans 2 frets, lets 2 strings ring open and mutes 1 string020404sits at fret 2, spans 2 frets and lets 3 strings ring openxx6707sits at fret 6, spans 1 fret, lets 1 string ring open and mutes 2 strings050434sits at fret 3, spans 2 frets and lets 2 strings ring openx110130xsits at fret 11, spans 2 frets, lets 2 strings ring open and mutes 2 stringsx11013010sits at fret 10, spans 3 frets, lets 2 strings ring open and mutes 1 string0140130xsits at fret 13, spans 1 fret, lets 3 strings ring open and mutes 1 stringxx0797sits at fret 7, needs a barre across 3 strings at fret 7, lets 1 string ring open and mutes 2 strings0119xxxsits at fret 9, spans 2 frets, lets 1 string ring open and mutes 3 strings01401312xsits at fret 12, spans 2 frets, lets 2 strings ring open and mutes 1 string
Keys Abdim belongs to
Abdim is diatonic to 8 of the 96 keys this app knows, playing a different role in each.