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C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Chord
notes:
C##
E##
G##
B#
D#
A##
intervals:
1P
3M
5P
7m
9m
13M
semitones:
4
3
3
3
8
-9
other names:
C##13b9
C## dominant 13th flat 9th
chord diagrams on Guitar in Drop A tuning
D#
F#
B
3
D
A
C
3
D
C
F#
5
B
A
D#
3 fret
9
D#
F#
C
D
12
12
B
A
9 fret
D#
12
12
F#
D
A
C
B
11 fret
12
12
D#
F#
B
15
D
A
C
13 fret
15
D
C
F#
17
B
A
D#
19
15 fret
21
D#
F#
C
D
24
24
B
A
21 fret
Related
Chords
Chords
with less notes
C##maj
C##5
C##6
C##7
C##7b9
C##alt7
C##7add6
C##Maddb9
C##7no5
Chords
with more notes
C##13b9#11