The Cure's "Lullaby" is based on a recurring nightmare frontman Robert Smith had as a child where he was eaten by a giant spider.
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.
David Byrne says "Road To Nowhere" is about "how there's no order and no plan and no scheme to life and death and it doesn't mean anything, but it's all right.
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.
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.
"The Best" by Tina Turner was originally recorded by Bonnie Tyler; Turner's hit version added a bridge and a saxophone solo by Edgar Winter.
Meshell Ndegeocello talks about recording "Wild Night" with John Mellencamp, and explains why she shied away from the spotlight.
The lead singer and pianist for Procol Harum, Gary talks about finding the musical ideas to match the words.
Elvis, Little Richard and Cheryl Cole have all sung about Teddy Bears, but there is also a terrifying Teddy song from 1932 and a touching trucker Teddy tune from 1976.
Iron Maiden, Adele, Toto, Eminem and Earth, Wind & Fire are just some of the artists with songs directly inspired by movies - and not always good ones.
In this talk from the '80s, the Kansas frontman talks turning to God and writing "Dust In The Wind."