Cmaj7 is a major seventh, spelled C, E, G and B. In Open G tuning (D2 G2 D3 G3 B3 D4) the easiest shape is x5545x, which sits at fret 4, spans 1 fret and mutes 2 strings. 12 positions for it are shown below, from the nut up to fret 10.
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.
x5545xsits at fret 4, spans 1 fret and mutes 2 strings100109010sits at fret 9, spans 1 fret and lets 2 strings ring openx52005sits at fret 2, spans 3 frets, lets 2 strings ring open and mutes 1 string100998xsits at fret 8, spans 2 frets, lets 1 string ring open and mutes 1 stringx02412sits at fret 1, spans 3 frets, lets 1 string ring open and mutes 1 stringx55559sits at fret 5, needs a barre across 4 strings at fret 5 and mutes 1 string100140014sits at fret 10, spans 4 frets and lets 3 strings ring open109100010sits at fret 9, spans 1 fret and lets 2 strings ring openx55002sits at fret 2, spans 3 frets, lets 2 strings ring open and mutes 1 string10099010sits at fret 9, needs a barre across 2 strings at fret 9 and lets 2 strings ring open10990010sits at fret 9, needs a barre across 2 strings at fret 9 and lets 2 strings ring open1001090xsits at fret 9, spans 1 fret, lets 2 strings ring open and mutes 1 string
Keys Cmaj7 belongs to
Cmaj7 is diatonic to 16 of the 96 keys this app knows, playing a different role in each.