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