on the album Overload (I forget which volume), a death metal cover album of Metallica songs, there's some band that does Enter Sandman and the singer is.....
well, let's put it this way...
Think of like the worst sterotype of a frenchman imagineable. I'm talking striped shirt, neckercheif, beret, pencil-thin moustache "AWW HAW HAW" type of french stereotype....
...THAT'S who you hear singing it.
The music sounds great, it builds up to be like a really cool cover, but the guy starts singing and your ears just start gushing blood.