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
⬤ ⬤
G♭ B E♭
B Major :: B D♯ F♯

F
C
G
D
5
3
3
B
5
B
5
3
B
3
B
5
⬤ ⬤
⬤ ⬤