Billy Joel is surprised that "Piano Man" is so successful. He called it "an old, long song about a guy at a depressing piano bar."
Mark Knopfler of Dire Straits wrote "Private Dancer," which went to Tina Turner when he realized it wasn't a song for a man to sing.
Frank Sinatra was 64 when he had his last hit: "New York, New York." The song pegged him to New York City, leaving Las Vegas to Elvis.
If you have a whole day to kill, you can check out the full version of Pharrell Williams' "Happy" music video, the world's first 24-hour music video.
Amy Winehouse really did refuse "Rehab." She said she drank because she was lovesick, and "you can't go into rehab for that."
"Forever" by Chris Brown was written for a Wrigley's Doublemint Gum commercial. The full song contains the gum's tagline: "Double your pleasure, double your fun."
Since his debut single "I'm On Fire" in 1975, Dwight has been providing Spinal-Tap moments and misadventure.
A popular contemporary folk singer, Williams still remembers the sticky note that changed her life in college.
Donny Osmond talks about his biggest hits, his Vegas show, and the fan who taught him to take "Puppy Love" seriously.
dUg dIgs into his King's X metal classics and his many side projects, including the one with Jeff Ament of Pearl Jam.
The country hitmaker talks about his debut album, A Rock, and how a nursery rhyme inspired his hit single "One Beer."
The leader of the Modern A Cappella movement talks about the genre.