
Katy Perry's song "E.T." came from a beat originally intended for the rap group Three Six Mafia. When her producer accidentally pulled up the beat, Perry asked to use it.

Sir Mix-A-Lot says he's earned over $100 million from "Baby Got Back." He wrote the song and owns the publishing rights, so he can authorize its use in movies, TV shows and commercials, which he often does.

Lou Reed's "Walk On The Wild Side" tells the story of real people who were part of Andy Warhol's "factory," including Holly Woodlawn and Candy Darling.

Freddie Mercury considered "We Are The Champions" his version of "My Way." "We have made it, and it certainly wasn't easy," he said.

Grazing In The Grass by The Friends Of Distinction was the first big hit to use the phrase "dig it" in the lyric.

According to Jason Bonham, who has filled in for his father on Led Zeppelin reunions, "Rock And Roll" is the hardest Led Zep song to play on drums.
Did Eric Clapton really write "Cocaine" while on cocaine? This question and more in the Clapton edition of Fact or Fiction.
Songwriters have used cards and card games to make sense of heartache, togetherness, and even Gonorrhea.
"Come On Eileen" was a colossal '80s hit, but the band - far more appreciated in their native UK than stateside - released just three albums before their split. Now, Dexys is back.
On Glen's résumé: hit songwriter, Facebook dominator, and member of Styx.
He wrote "She Blinded Me With Science" so he could direct a video about a home for deranged scientists.
Famous songs that lent their titles - and in some cases storylines - to movies.