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
4
2
-1
other names:
AM7b9
Related
Chords
Chords
with less notes
Amaj
A5
Amaj7
AMaddb9