The Bryan Adams song "(Everything I Do) I Do It For You" was almost rejected for the movie Robin Hood: Prince Of Thieves because it didn't sound medieval enough.
"Hot n Cold" by Katy Perry is about a real guy - an ex who would seem really interested at times but would then just disappear.
"Paranoid" reflects a feeling Black Sabbath bass player Geezer Butler often felt after using drugs.
Paul McCartney wrote "Ebony and Ivory," his duet with Stevie Wonder, after a tiff with his wife Linda. "It was like, 'Why can't we get it together- our piano can,'" he explained.
John Legend wrote "All Of Me" about his fiancée Chrissy Teigen. He sang it to her at their wedding ceremony in Como, Italy.
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.
Stage urinals, flute devices, and the real Aqualung in this Fact or Fiction.
The in-depth discussion about the making of Jesus Christ Superstar with Ted Neeley, who played Jesus in the 1973 film.
A band so baffling, even their names were contrived. Check your score in the Ramones version of Fact or Fiction.
Long before Eminem, Justin Bieber and Nicki Minaj created alternate personas, David Bowie, Bono, Joni Mitchell and even Hank Williams took on characters.
How a country weeper and a blues number made "rolling stone" the most popular phrase in rock.
Just like Darrin was replaced on Bewitched, groups have swapped out original members, hoping we wouldn't notice.