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.
The Hall & Oates hit "Everything Your Heart Desires" has no rhymes.
"Zoot Suit Riot" isn't just a Cherry Poppin' Daddies song - they were real riots in Los Angeles in 1943 that inspired the lyrics.
After a devastating car accident, the actor Montgomery Clift had to be filmed from "The Right Profile" to look good - that provided the name of The Clash song.
Eminem spits a total of 1,560 words on "Rap God," earning him an entry in the 2015 Guinness Book of Records for "most words in a hit single."
"Mony Mony." "Crimson and Clover." "Draggin' The Line." The hits kept coming for Tommy James, and in a plot line fit for a movie, his record company was controlled by the mafia.
A selection of songs made to be terrible - some clearly achieved that goal.
When televangelists like Jimmy Swaggart took on rockers like Ozzy Osbourne and Metallica, the rockers retaliated. Bono could even be seen mocking the preachers.
Find out how God and glam metal go together from the Stryper frontman.
He wrote "She Blinded Me With Science" so he could direct a video about a home for deranged scientists.