C#maj7 is a major seventh, spelled C#, E#, G# and B#. In Open G tuning (D2 G2 D3 G3 B3 D4) the easiest shape is x6656x, which sits at fret 5, spans 1 fret and mutes 2 strings. 12 positions for it are shown below, from the nut up to fret 11.
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.
x6656xsits at fret 5, spans 1 fret and mutes 2 stringsxx1110910sits at fret 9, spans 2 frets and mutes 2 stringsx63563sits at fret 3, needs a barre across 4 strings at fret 3 and mutes 1 string11101010xxsits at fret 10, needs a barre across 3 strings at fret 10 and mutes 2 stringsx666610sits at fret 6, needs a barre across 4 strings at fret 6 and mutes 1 stringxx3523sits at fret 2, spans 3 frets and mutes 2 stringsx1352xsits at fret 1, spans 4 frets and mutes 2 stringsxx11131315sits at fret 11, spans 4 frets and mutes 2 stringsx5666xsits at fret 5, spans 1 fret and mutes 2 stringsx6356xsits at fret 3, spans 3 frets and mutes 2 stringsx635xxsits at fret 3, spans 3 frets and mutes 3 strings111010131310sits at fret 10 and needs a barre across 5 strings at fret 10
Keys C#maj7 belongs to
C#maj7 is diatonic to 16 of the 96 keys this app knows, playing a different role in each.