For a one-hit wonder I would nominate "Captain of Her Heart" by Double. The brilliant break in that song at the flatted fifth still gives me chills. You know which note I'm talking about. Everybody does, even if they don't know what a flatted fifth is.
the flatted fifth is the devil’s note!
Sabbath would never have existed without it.
I kinda like: Brandy you’re a fine girl, what a good wife you would be....