musmath
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scales
tunings
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C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Chord
notes:
C##
E##
G###
B#
D###
intervals:
1P
3M
5A
7m
9A
semitones:
4
4
2
5
-3
other names:
C##7#5#9, C##+7#9, C##7alt
Related
Chords
Chords
with less notes
C##aug
C##+7
C##Mb6
C##7#5
C##+add#9
C##7no5
C##7b13
C##m#5
C##m7#5
Chords
with more notes
C##7#9#11b13
C##7#9b13