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B Dominant 7th (♭5) :: B D♯ F A

G♭
D♭
A♭
E♭
3
♭7
3
♭5
♭7
B
♭5
B
♭7
3
♭7
B
3
♭5
B
♭5
⬤ ⬤
3
⬤ ⬤
A
G♭ Half Diminished 7th :: G♭ A C E

G♭
D♭
A♭
E♭
G♭
♭3
♭7
♭3
♭7
G♭
♭5
G♭
♭5
♭3
♭3
♭7
♭5
♭7
G♭
♭5
⬤ ⬤
G♭
⬤ ⬤
G♭
B Major :: B D♯ F♯

G♭
D♭
A♭
E♭
5
3
3
B
5
B
5
3
B
3
B
5
⬤ ⬤
5
3
⬤ ⬤