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
9A
semitones:
4
4
7
-3
other names:
A+add#9
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