G♭ Dominant 13th
::
G♭
B♭
D♭
E
A♭
B
E♭
E
B
G
D
A
E
♭7
11
♭7
9
13
3
G♭
5
♭7
11
G♭
⬤
3
⬤
9
13
11
G♭
5
9
⬤
♭7
⬤
3
5
9
13
3
⬤
11
G♭
♭7
11
⬤
13
3
⬤
5
9
♭7
11
G♭
5
⬤
13
3
G♭
5
9
13
⬤ ⬤
♭7
11
♭7
⬤ ⬤