In this 1951 novelty song, jazz legend Ella Fitzgerald tells the story of a pair of aliens who come down to Earth to take a look around, decide this planet sucks, then fly away. Can't say we blame them. If "Mad Men" has taught us anything, it's that the '50s were pretty racist.
You'd expect a first-person alien encounter from someone like Pharrell Williams because he's the sort of guy who wants to do concept albums about "The Day Of The Triffids." But whipsmart street poet Nas? If he believes in aliens, who are we to argue?