You know the people who happily sing along to songs they think they know, oblivious to the fact that all the lyrics are wrong? These folks can be super frustrating, or downright hilarious.

The great thing about this vid is that, with the exception of opera nerds, no one knows the real words to O Fortuna. This fantastic video enlightens us on what that stirring choir is really singing about.

Clearly it’s a song about canned seafood, rats, and a boot wearing octopus. Right? Even if it’s wrong, I think these are the lyrics I’ll be singing from now on!