"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.
Alicia Keys got a huge break when Oprah had her perform her debut single "Fallin'" on her show.
When the Velvet Underground song "Heroin" got screechy, Maureen Tucker stopped drumming, figuring it would bust the take, but her bandmates kept going. You can hear it at the 5:20 mark.
In 1979, Madonna was a dancer on Patrick Hernandez' tour, where she boogied to his hit "Born To Be Alive."
When Tony Bennett and Amy Winehouse's version of "Body and Soul" made the Hot 100 in 2011, Bennett became, at age 85, the oldest living artist to make that chart.
Before she was famous, Lady Gaga was a staff songwriter, and wrote the song "Quicksand," which Britney Spears recorded in 2008.
The longtime BS&T frontman tells the "Spinning Wheel" story, including the line he got from Joni Mitchell.
Just like Darrin was replaced on Bewitched, groups have swapped out original members, hoping we wouldn't notice.
Have you got the smarts to know which of these graduation song stories are real?
Was Justin the first to be Punk'd by Ashton Kutcher? Did Britney really blame him for her meltdown? Did his bandmates think he was gay?
On Glen's résumé: hit songwriter, Facebook dominator, and member of Styx.
A top New York studio musician, Ralph played guitar on many '60s hits, including "Lightnin' Strikes," "A Lover's Concerto" and "I Am A Rock."