Feist's "1234" is "about lost love, and the hope to recapture what you once had," but it's best known for the Sesame Street version about counting to four.
Madonna's hit "Don't Tell Me" was written by her brother-in-law, Joe Henry, who has produced albums by Hugh Laurie and Bonnie Raitt.
"Mrs Robinson" was originally called "Mrs Roosevelt," most likely after First Lady Eleanor Roosevelt. It became "Mrs Robinson" when it was considered for use in the film The Graduate.
Movie director Michel Gondry played live drums on the Late Registration track, "Diamonds From Sierra Leone." The Eternal Sunshine of The Spotless Mind filmmaker happened to be in the studio on a day when producer Jon Brion was setting up a drum kit
"Dude (Looks Like A Lady)" by Aerosmith was inspired by Vince Neil from Motley Crue.
Back To The Future wasn't the only movie where Michael J. Fox rocked out: He sang with Joan Jett in the 1987 movie Light Of Day, with a title track written by Bruce Springsteen.
You may not recognize his name, but you will certainly recognize Peter Lord's songs. He wrote the bevy of hits from Paula Abdul's second album, Spellbound.
These overtly religious songs crossed over to the pop charts, despite resistance from fans, and in many cases, churches.
With his X-wife Exene, John fronts the band X and writes their songs.
The lead singer of Everclear, Art is also their primary songwriter.
With the band in danger of being dropped from their label, Alice Cooper drummer Neal Smith co-wrote the song that started their trek from horror show curiosity to the Rock and Roll Hall of Fame.
We've heard of artists putting their hearts into their music, but some take it literally.