G♭ Dominant 7th
::
G♭
B♭
D♭
F♭
⨉
F
C
G
D
G♭
5
♭7
⬤
3
⬤
♭7
G♭
⬤
3
⬤
G♭
5
⬤
⬤
5
3
⬤
♭7
⬤
3
♭7
G♭
5
⬤ ⬤
⬤ ⬤
B♭ Major
::
B♭
D
F
⨉
F
C
G
D
5
3
3
⬤
B♭
5
⬤
⬤
B♭
5
⬤
⬤
3
⬤
B♭
⬤
3
⬤
B♭
5
⬤ ⬤
5
3
⬤ ⬤