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
G
Bb
intervals:
1P
3M
5P
7m
9m
semitones:
4
3
3
3
-1
other names:
A7b9, A7-9, Adom7b9
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A13b9
A7b9#11
A13b9#11
A7b9b13#11
A7b9b13
A7b9#9