musmath
chords
scales
tunings
scale finder
chord finder
C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Chord
notes:
A##
D##
G##
C##
intervals:
1P
4P
7m
10m
semitones:
5
5
5
-3
other names:
A##4, A##quartal
Related
Chords
Chords
with more notes
A##m11
A##m7add11
A##m11A