Guitar chords:
A diminished seventh
Adim7
XX
======
~~~~~~
------
||1|2| 7th fret
------
|||3|4
------
||||||
------
AEGC
bb
Notes: 1 : A
m3 : C
d5 : Eb
bb7: Gb
These
diminished chords all have the same notes as
each other:
F#dim7,
Adim7,
Cdim7, and
Ebdim7.