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 Major
::
G
B
D
⨉
A
E
C
G
G
3
5
⬤
G
⬤
3
⬤
5
⬤
⬤
3
G
5
⬤
⬤
⬤
G
5
3
⬤ ⬤
G
⬤ ⬤