Fun a cappella takes on songs you’ve probably heard

Is there anyone with access to any sort of electronics who hasn’t heard the original version of this song?

Compare to Christopher Walken’s rendition:

The original Knights of Cydonia by Muse (this song rocks):

…and this outstanding one-man a cappella cover of it:

For this last one, be sure check out the original first, if you don’t already know it (and everyone in Germany, if not Europe, already does, since it’s the Eurovision 2010 contest winner):

I like this guy’s version so much better! Also, he’s got better moves than she does.