musmath
chords
scales
tunings
scale finder
chord finder
C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Chord
notes:
A##
D##
E###
G###
B##
intervals:
1P
4P
5A
7M
9M
semitones:
5
3
3
3
-2
other names:
A##M9#5sus4
Related
Chords
Chords
with less notes
A##M7#5sus4