Cmaj7 is a major seventh, spelled C, E, G and B. In Ukulele (low G) tuning (G3 C4 E4 A4) the easiest shape is x002, which sits at fret 2, needs no stretch at all, 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
C
E
G
B
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.
x002sits at fret 2, needs no stretch at all, lets 2 strings ring open and mutes 1 string5777sits at fret 5 and spans 2 frets4433sits at fret 3 and needs a barre across 2 strings at fret 3x077sits at fret 7, needs a barre across 2 strings at fret 7, lets 1 string ring open and mutes 1 string400xsits at fret 4, needs no stretch at all, lets 2 strings ring open and mutes 1 stringx0014sits at fret 14, needs no stretch at all, lets 2 strings ring open and mutes 1 stringx01214sits at fret 12, spans 2 frets, lets 1 string ring open and mutes 1 string911810sits at fret 8 and spans 3 frets011015sits at fret 11, spans 4 frets and lets 2 strings ring open0002sits at fret 2, needs no stretch at all and lets 3 strings ring open5432sits at fret 2 and spans 3 frets4003sits at fret 3, spans 1 fret and lets 2 strings ring open
Keys Cmaj7 belongs to
Cmaj7 is diatonic to 16 of the 96 keys this app knows, playing a different role in each.