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C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Chord
notes:
A
C#
E#
B#
intervals:
1P
3M
5A
9A
semitones:
4
4
7
-3
other names:
A+add#9
A augmented added sharp 9th
chord diagrams on Guitar in Half Step Up tuning
F
F
C#
A
F
C
3
F
C
F
A
F
3
C#
C#
A
F
C
3
muted string
muted string
3
C#
A
C
A
5
F
muted string
3 fret
7
C
F
C
9
A
F
C#
7 fret
9
C#
A
12
12
F
C
F
muted string
10 fret
12
12
F
C
F
A
F
15
C#
12 fret
12
12
C#
A
F
C
muted string
muted string
12 fret
15
C#
A
C
A
17
F
muted string
15 fret
19
C
F
C
21
A
F
C#
19 fret
21
C#
A
24
24
F
C
F
muted string
21 fret
Related
Chords
Chords
with less notes
Aaug
AMb6
Am#5
Chords
with more notes
A+7#9
A7#5#9
A7#9#11b13
A7#9b13