The bedrock of David Guetta's Nicki Minaj-featuring single "Hey Mama" is a sample of "Rosie," a 1940s prison recording from folk archivist Alan Lomax that songwriter Esther Dean first showed the French DJ on YouTube.
Jonah Hill directed the video for Sara Bareilles' song "Gonna Get Over You." It's a mash-up of Grease and West Side Story.
"Pretty In Pink" by Psychedelic Furs was released in 1981. Five years later, it inspired a movie of the same name starring Molly Ringwald, Andrew McCarthy and Jon Cryer. The song was remixed for the re-release to have more Pop appeal.
Jeff Lynne sang the word "groose" in the chorus of "Don't Bring Me Down" as a nonsense placeholder, but left it in when he found out it means "greetings" in German ("gruss").
Village People lead singer Victor Willis, who co-wrote "Y.M.C.A.," insists it isn't a gay song - it's about hanging out with your buddies.
The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.
How a country weeper and a blues number made "rolling stone" the most popular phrase in rock.
How well do you know this shock-rock harbinger who's been publicly executed hundreds of times?
You know the scenes - Tom Cruise in his own pants-off dance off, Molly Ringwald celebrating her birthday - but do you remember what song is playing?
"Mr. Jones" took on new meaning when the song about a misguided view of fame made Adam famous.
Beef with Bon Jovi? An unfortunate Spandex period? See if you can spot the true stories in this Metallica version of Fact or Fiction.
