Guitar chords:
Bflat diminished seventh
Bbdim7
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BFAD
bbbb
b
Notes: 1 : Bb
m3 : Db
d5 : Fb
bb7: Abb
These
diminished chords all have the same notes as
each other:
Edim7,
Gdim7,
Bbdim7, and
Dbdim7.