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