musmath
chords
scales
tunings
scale finder
chord finder
C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Chord
notes:
A
C#
E#
B
intervals:
1P
3M
5A
9M
semitones:
4
4
6
-2
other names:
AM#5add9, A+add9
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Aaug
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Amaj9#5
A9#5
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A9#11b13
A9b13