"Oh Well," from their 1960s Peter Green era, is the only Fleetwood Mac song played in concert in every decade they've been extant.
KT Tunstall's "Suddenly I See" was inspired by Robert Mapplethorpe's photograph of Patti Smith on the cover of her album Horses.
Jay-Z did the rap on "Crazy In Love" at the last minute. He and Beyoncé had started dating and the Texan songstress asked him to get on the song the night before she had to turn in her album.
In Gary Numan's "Cars," the message is that cars lead to a mechanical society devoid of personal interaction. This didn't stop automakers from using it in commercials. Both Nissan and Oldsmobile have used it in ads.
Billy Joel's song "Allentown" was written as "Levittown," which is the town in Long Island where he grew up. He got the idea to change it after taking a trip to Pennsylvania.
You wouldn't know it from the upbeat melody, but "Walkin' On The Sun" by Smash Mouth is about the 1992 Los Angeles Riots.
When he joined Guns N' Roses in 1990, Matt helped them craft an orchestral sound; his mezzo fortes and pianissimos are all over "November Rain."
John tells the "St. Elmo's Fire (Man In Motion)" story and explains why he disappeared for so long.
The leader of the Modern A Cappella movement talks about the genre.
Tom talks about the evolution of Cinderella's songs through their first three albums, and how he writes as a solo artist.
Fiona's highly-anticipated third album almost didn't make it. Here's how it finally came together after two years and a leak.
From the cowbell on "Mississippi Queen" to recording with The Who when they got the wrong Felix, stories from one of rock's master craftsmen.