C#7 is a dominant seventh, spelled C#, E#, G# and B. In Drop D tuning (D2 A2 D3 G3 B3 E4) the easiest shape is x43404, which sits at fret 3, spans 1 fret, lets 1 string ring open and mutes 1 string. 12 positions for it are shown below, from the nut up to fret 13.
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.
x43404sits at fret 3, spans 1 fret, lets 1 string ring open and mutes 1 stringx46464sits at fret 4, needs a barre across 5 strings at fret 4 and mutes 1 stringx43104sits at fret 1, spans 3 frets, lets 1 string ring open and mutes 1 stringx4342xsits at fret 2, spans 2 frets and mutes 2 strings111111100xsits at fret 10, spans 1 fret, lets 1 string ring open and mutes 1 string111191099sits at fret 9 and needs a barre across 4 strings at fret 9686607sits at fret 6, needs a barre across 4 strings at fret 6 and lets 1 string ring open11111113013sits at fret 11, needs a barre across 3 strings at fret 11 and lets 1 string ring open1189100xsits at fret 8, spans 3 frets, lets 1 string ring open and mutes 1 stringxx111097sits at fret 7, spans 4 frets and mutes 2 stringsx1415131413sits at fret 13, needs a barre across 3 strings at fret 13 and mutes 1 stringx4340xsits at fret 3, spans 1 fret, lets 1 string ring open and mutes 2 strings
Keys C#7 belongs to
C#7 is diatonic to 8 of the 96 keys this app knows, playing a different role in each.