A Dominant 7th (♭5)
::
A
C♯
E♭
G
A
E
C
G
A
♭7
3
A
⬤
♭7
♭5
⬤
3
⬤
A
⬤
♭5
3
⬤
♭7
⬤
♭5
⬤
3
A
⬤
♭7
♭5
⬤ ⬤
A
♭7
⬤ ⬤