Like this Soilent Green album that I found in the pop/rock section of a used record shop. But I did catch on to some funny business being up due to the album name. Turns out it's some wild hard core/metal core/sludge metal with the most impossibly incoherent song structures ever.
And of course there's that Throbbing Gristle album, which has got to be the most deliberately misleading album cover ever:
