A Dominant 7th (♭5) :: A C♯ E♭ G

B
F♯
D
A
A
♭7
♭5
3
A
♭5
3
♭7
♭5
3
A
♭7
♭5
A
♭7
3
⬤ ⬤
A
⬤ ⬤