
"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.

"Goodbye Yellow Brick Road" is one of the few Bernie Taupin lyrics that is more about him than Elton John. The song is about giving up glitz for the simple life - not exactly Elton's M.O.

Katy Perry co-wrote Iggy Azalea's hit single "Black Widow." Perry was originally going to sing on the track, but she couldn't fit it into her schedule, so Rita Ora provided the sung vocals instead.

Mariah Carey's "My All" is about her affair with New York Yankees shortstop Derek Jeter.

Bono came up with the idea of focusing on a soldier's last thoughts as he dies from his wounds in the U2 song "White As Snow" after reading William Golding's 1956 novel Pincher Martin.

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 stories behind the biggest hit songs about trucking.
Songwriters have used cards and card games to make sense of heartache, togetherness, and even Gonorrhea.
Writing great prog metal isn't easy, especially when it's for 60 musicians.
Since emerging from MySpace with her hit "Bubbly," Colbie has become a top songwriter, even crafting a hit with Taylor Swift.
Waters tells the "Gypsy Woman" story, shares some of her songwriting insights, and explains how Dennis Rodman ended up on one of her songs.