Cmaj7 is a major seventh, spelled C, E, G and B. In Standard tuning (E2 A2 D3 G3 B3 E4) the easiest shape is x32000, which sits at fret 2, 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 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.
x32000sits at fret 2, spans 1 fret, lets 3 strings ring open and mutes 1 string022010sits at fret 1, spans 1 fret and lets 3 strings ring openx35000sits at fret 3, spans 2 frets, lets 3 strings ring open and mutes 1 string879000sits at fret 7, spans 2 frets and lets 3 strings ring open8109000sits at fret 8, spans 2 frets and lets 3 strings ring openxxx500sits at fret 5, needs no stretch at all, lets 2 strings ring open and mutes 3 stringsxx10000sits at fret 10, needs no stretch at all, lets 3 strings ring open and mutes 2 strings01010900sits at fret 9, spans 1 fret and lets 3 strings ring openx1514000sits at fret 14, spans 1 fret, lets 3 strings ring open and mutes 1 string875400sits at fret 4, spans 4 frets and lets 2 strings ring open014140130sits at fret 13, spans 1 fret and lets 3 strings ring open0141401312sits at fret 12, spans 2 frets 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.