G♭ Major
::
G♭
B♭
D♭
⨉
A
E
C
G
3
5
G♭
⬤
3
⬤
5
⬤
⬤
3
G♭
5
⬤
⬤
⬤
G♭
5
⬤
3
G♭
⬤ ⬤
⬤ ⬤
—
D Diminished 7th
::
D
F
A♭
B
⨉
A
E
C
G
♭3
♭5
𝄫7
D
⬤
⬤
♭5
𝄫7
⬤
D
♭3
⬤
⬤
𝄫7
D
⬤
♭3
♭5
⬤
⬤
D
♭3
♭5
𝄫7
⬤ ⬤
⬤ ⬤