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