G♭ Major
::
G♭
B♭
D♭
⨉
A
E
C
G
3
5
G♭
⬤
3
⬤
5
⬤
⬤
3
G♭
5
⬤
⬤
⬤
G♭
5
⬤
3
G♭
⬤ ⬤
⬤ ⬤
—
C Major 13th
::
C
E
G
B
D
F
A
⨉
A
E
C
G
13
3
C
5
11
7
9
13
⬤
C
5
⬤
3
7
⬤
9
13
11
C
⬤
⬤
3
7
5
9
⬤
11
C
⬤
13
3
⬤
5
9
11
7
⬤ ⬤
13
3
C
5
⬤ ⬤
G
D
A
E♭ Major 7th (♭5)
::
E♭
G
A
D
⨉
A
E
C
G
♭5
3
7
♭5
⬤
3
E♭
⬤
⬤
7
♭5
⬤
E♭
⬤
3
7
⬤
E♭
⬤
♭5
⬤
3
7
E♭
⬤ ⬤
♭5
3
⬤ ⬤