Fact: Gwyneth Paltrow and rap group Three 6 Mafia once performed -- though (unfortunately) not together -- during the Academy Awards ceremonies (Paltrow for "Country Strong"; Three 6 for "Hustle & Flow").
Obviously, those aren't the only bizarre acts that have appeared on the Oscar stage: from A.R. Rahman's Olympic-like moment in 2009 to Bjork being, well, Bjork in 2001, the Academy Awards has been known to throw out an odd musical moment or five.
To celebrate this year's Academy Awards -- which air this Sunday -- let's take a look at the most ridiculous musical performances in Oscar history.
For more Oscar music, head over to the Movie Scores channel on Aol Radio, featuring all the Oscar-nominated scores from this year.