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G♭ Dominant 7th (♭5) :: G♭ B♭ C E

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

A
E
C
G
3
7
5
9
11
G♭
3
5
9
11
7
3
G♭
5
11
7
9
G♭
5
3
7
9
11
G♭
⬤ ⬤
⬤ ⬤
G♭ A♭ B
B Major 6th :: B D♯ F♯ G♯

A
E
C
G
6
B
5
3
6
B
3
5
B
6
3
5
6
3
B
5
⬤ ⬤
⬤ ⬤