
Katy Perry's breakout hit, "I Kissed A Girl," was surprising to those familiar with her past: Her parents were pastors and she started off singing Christian music.

"Baby One More Time," the breakout song for Britney Spears, was originally offered to TLC but they passed on it. The R&B trio didn't feel comfortable singing the line, "hit me baby one more time."

Sarah McLachlan wrote "Angel" about the Smashing Pumpkins touring keyboard player Jonathan Melvoin, who overdosed on heroin and died in 1996.

Michael Stipe hadn't finished the lyrics when R.E.M. recorded "Radio Free Europe." He calls the vocal "complete babbling."

A 2011 Gold's Gym poll found "Stronger" by Kanye West the best song to work out to. Second place was the Rocky theme.

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.
Where words like "email," "thirsty," "Twitter" and "gangsta" first showed up in songs, and which songs popularized them.
The "Lowdown" and "Lido Shuffle" singer makes a habit of playing with the best in the business.
As a 5-year-old, Brandi was writing lyrics to instrumental versions lullabies. She still puts her heart into her songs, including the one Elton John sings on.
Franti tells the story behind his hit "Say Hey (I Love You)" and explains why yoga is an integral part of his lifestyle and his Soulshine tour.
Do you know who wrote Patti Smith's biggest hit? How about the Grease theme song? See if you can match the song to the writer.
Did Rivers Cuomo grow up on a commune? Why did they name their albums after colors? See how well you know your Weezer in this Fact or Fiction.