"Irreplaceable" wasn't specifically penned for Beyonce - in fact, Ne-Yo wrote it more as a country song and had Faith Hill and Shania Twain in mind.
One of the most successful cover songs is Fugees' "Killing Me Softly," a 1996 reworking of Roberta Flack's 1973 hit. Originally, Fugees wanted to change the title to "Killing Him Softly" and make it about the dangers of drug abuse.
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.
The horn flourish at the beginning of "Jump Around" comes from Bob and Earl's "Harlem Shuffle"; the squeal throughout the song might be a Prince sample.
Katmandu, the capital of Nepal, was the archetype for faraway mysticism when Bob Seger wrote a song about it in 1975.
"Panama" by Van Halen is not about the country or the canal, but about a stripper David Lee Roth met in Arizona.
Since his debut single "I'm On Fire" in 1975, Dwight has been providing Spinal-Tap moments and misadventure.
Does Angus really drink himself silly? Did their name come from a sewing machine? See if you can spot the real stories about AC/DC.
The British reggae legend tells the story of his #1 hit "Close To You," talks about his groundbreaking Shabba Ranks collaboration "Housecall," and discusses his latest project with Robin Trower.
Talking Heads drummer Chris Frantz on where the term "new wave" originated, the story of "Naive Melody," and why they never recorded another cover song after "Take Me To The River."
The Celtic music maker Loreena McKennitt on finding musical inspiration, the "New Age" label, and working on the movie Tinker Bell.
Billie Jean, Delilah, Sara, Laura and Sharona - do you know who the girls in the songs really are?