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