Cbm is a minor, spelled Cb, Ebb and Gb. In Drop D tuning (D2 A2 D3 G3 B3 E4) the easiest shape is x20402, which sits at fret 2, spans 2 frets, lets 2 strings ring open and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 14.
Notes and intervals
Note
Cb
Ebb
Gb
Interval
1P
3m
5P
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.
x20402sits at fret 2, spans 2 frets, lets 2 strings ring open and mutes 1 string990777sits at fret 7, needs a barre across 3 strings at fret 7 and lets 1 string ring open05440xsits at fret 4, needs a barre across 2 strings at fret 4, lets 2 strings ring open and mutes 1 string99011010sits at fret 9, needs a barre across 2 strings at fret 9 and lets 2 strings ring open05443xsits at fret 3, spans 2 frets, lets 1 string ring open and mutes 1 string050777sits at fret 5, spans 2 frets and lets 2 strings ring openxx011010sits at fret 10, spans 1 fret, lets 2 strings ring open and mutes 2 stringsxx0110xsits at fret 11, needs no stretch at all, lets 2 strings ring open and mutes 3 strings0140xxxsits at fret 14, needs no stretch at all, lets 2 strings ring open and mutes 3 strings01412xxxsits at fret 12, spans 2 frets, lets 1 string ring open and mutes 3 stringsx20432sits at fret 2, spans 2 frets, lets 1 string ring open and mutes 1 stringx24432sits at fret 2, needs a barre across 5 strings at fret 2 and mutes 1 string
Keys Cbm belongs to
Cbm is diatonic to 24 of the 96 keys this app knows, playing a different role in each.