"All I Wanna Do" by Sheryl Crow started with the first line from an obscure poem called "Fun" that read, "All I wanna do is have some fun."
The hit duet "Somewhere Out There" was written for an animated film about a family of immigrant mice who lose one of their young.
Before recording "Boom Clap" herself, Charli XCX offered the song to Hilary Duff. However, the singer's people turned down the tune declaring it wasn't "cool enough for Hilary."
The Mary J. Blige song "No More Drama" samples the theme to the appropriately dramatic soap opera The Young And The Restless.
The electronic instruments in "Atomic Dog" represent the coming computer age, which is balanced by the instinctual dog, who barks and pants throughout the song.
"What's Up" by 4 Non Blondes has endured as one of the most popular songs of the '90s, but it wasn't a huge hit at the time and the band split after one album. Frontwoman Linda Perry went on to write hits for Pink and Christina Aguilera.
One of the most popular classical vocalists in the land is lining up a trip to space, which is the inspiration for many of her songs.
Doubt led to drive for Francis, who still isn't sure why one of Status Quo's biggest hits is so beloved.
"How much does it cost? I'll buy it?" Another songwriter told Jonathan to change these lyrics. Good thing he ignored this advice.
Before "Rap" was a form of music, it was something guys did to pick up girls in nightclubs. Donnie talks about "The Rapper" and reveals the identity of Leah.
Ozzy biting a dove? Alice Cooper causing mayhem with a chicken? Creed so bad they were sued? See if you can spot the real concert mishaps.
In her days with The Runaways, Joan Jett saw The Arrows perform "I Love Rock And Roll," which Alan Merrill co-wrote - that story and much more from this glam rock pioneer.