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C
C#
D
D#
E
F
F#
G
G#
A
A#
B
Chord
notes:
B##
D##
F##
A##
C###
intervals:
1P
3m
5d
7m
9M
semitones:
3
3
4
4
-2
other names:
B##m9b5, B##min9b5, B##m9-5
B## minor 9th flat 5th
chord diagrams on Guitar in DADGAD tuning
Related
Chords
Chords
with less notes
B##dim
B##m7b5