C#add11 chord
C# added eleventh
<
1 / 4
>G
F#
G
G#5
A
A#
B
C
C#
D
D#
E
F
F#
G
G#
C
C
C#
D
D#
E
F3
F#
G
G#
A
A#
B
C
F
E
D#
E
F
F#11
G
G#
A
A#
B
C
C#
D
D#
E
F#
A
G#
A
A#
B
C
C#1
D
D#
E
F
F#
G
G#
A
C#
3
5
7
10
The C#add11 chord has the formula 1, 3, 5, 11 with notes C#, F, G#, F#
The added eleventh chord can be built by taking a major chord and adding the 11th of the scale. It is somewhat dissonant because the 3rd and 11th are one semitone apart.