G♭ Major 7th
::
G♭
B♭
D♭
F
⨉
A
E
C
G
3
7
5
G♭
⬤
3
⬤
5
⬤
7
⬤
3
G♭
5
⬤
⬤
7
⬤
G♭
5
⬤
3
7
G♭
⬤ ⬤
⬤ ⬤
—
C Major 6th
::
C
E
G
A
⨉
A
E
C
G
6
3
C
5
6
⬤
C
5
⬤
3
⬤
6
C
⬤
⬤
3
5
⬤
C
⬤
6
3
⬤
5
⬤ ⬤
6
3
C
5
⬤ ⬤