G♭ Dominant 7th (♭5)
::
G♭
B♭
C
E
⨉
A
E
C
G
♭7
♭5
3
G♭
⬤
♭5
3
⬤
♭7
⬤
♭5
⬤
3
G♭
⬤
♭7
⬤
♭5
⬤
G♭
♭7
⬤
3
G♭
⬤ ⬤
♭7
♭5
⬤ ⬤
G♭
C
C Diminished
::
C
E♭
G♭
⨉
A
E
C
G
C
♭5
⬤
C
♭3
⬤
⬤
C
⬤
♭3
♭5
⬤
⬤
C
♭3
⬤
♭5
⬤
♭3
♭5
⬤ ⬤
C
⬤ ⬤