Cbmaj7 is a major seventh, spelled Cb, Eb, Gb and Bb. In Open G tuning (D2 G2 D3 G3 B3 D4) the easiest shape is x4434x, which sits at fret 3, spans 1 fret and mutes 2 strings. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
Cb
Eb
Gb
Bb
Interval
1P
3M
5P
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.
x4434xsits at fret 3, spans 1 fret and mutes 2 stringsx41304sits at fret 1, spans 3 frets, lets 1 string ring open and mutes 1 string988809sits at fret 8, needs a barre across 3 strings at fret 8 and lets 1 string ring openxx9878sits at fret 7, spans 2 frets and mutes 2 stringsx44448sits at fret 4, needs a barre across 4 strings at fret 4 and mutes 1 stringxx9111113sits at fret 9, spans 4 frets and mutes 2 strings131513150xsits at fret 13, needs a barre across 3 strings at fret 13, lets 1 string ring open and mutes 1 stringx111315013sits at fret 11, spans 4 frets, lets 1 string ring open and mutes 1 stringxx13151213sits at fret 12, spans 3 frets and mutes 2 stringsx44301sits at fret 1, spans 3 frets, lets 1 string ring open and mutes 1 stringx3444xsits at fret 3, spans 1 fret and mutes 2 strings98880xsits at fret 8, needs a barre across 3 strings at fret 8, lets 1 string ring open and mutes 1 string
Keys Cbmaj7 belongs to
Cbmaj7 is diatonic to 16 of the 96 keys this app knows, playing a different role in each.