Madonna didn't write "Papa Don't Preach," which deals with abortion. What drew her to the song was the singer standing up to male authority.
Pat Benatar's "Hit Me With Your Best Shot" was written by a guy named Eddie after going through a weird therapy session where he punched pillows to get out his aggressions.
"99 Luftballons" by Nena is about a Cold War scare when balloons showed up on radar and were mistaken as a nuclear threat.
Taylor Swift's “Shake It Off” was inspired by how she'd learned to deal with all the false rumors that circulated about her. "The only thing we can control is our reaction to that ,” said Swift. "You can either let it get to you … [or] you just shake it off."
Brian Wilson played Barenaked Ladies "Brian Wilson" at some of his concerts. He was "honored" by the song.
Post Malone came up with "White Iverson" after getting braids in his hair and thinking they looked like basketball legend Allen Iverson's signature cornrows.
The "Lowdown" and "Lido Shuffle" singer makes a habit of playing with the best in the business.
The Brazilian rocker sees pictures in his riffs. When he came up with one of his gnarliest songs, there was a riot going on.
The Def Leppard frontman talks about their "lamentable" hit he never thought of as a single, and why he's juiced by his Mott The Hoople cover band.
Bradley Cooper, Michael J. Fox, Rami Malek, Reese Witherspoon, Gwyneth Paltrow and George Clooney: Which actors really sang in their movies?
The Doobies guitarist and lead singer, Tom wrote the classics "Listen To The Music," "Long Train Runnin'" and "China Grove."
Here's what happens when an opening act is really out of place with the headliner, like when Beastie Boys opened for Madonna.