Eric Clapton wrote "Layla" about his love for Pattie Harrison, who was married to George Harrison at the time. He eventually married Pattie, and managed to stay friends with George.
Moby says that "We Are All Made Of Stars" is scientifically accurate, since all matter originates from stardust.
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.
ABBA's Bjorn Ulvaeus and Benny Andersson conceived "Dancing Queen" as a dance song with the working title "Boogaloo," drawing inspiration from the 1974 George McCrae disco hit "Rock Your Baby." Their manager Stig Anderson came up with the title "Dancing Queen."
Kid Rock performed his song "Amen" at Barack Obama's inaugural, but claims he didn't vote for him.
"(What's So Funny 'Bout) Peace, Love, and Understanding" was written by Nick Lowe in 1974. The original version with his group Brinsley Schwarz was kind of somber, but Elvis Costello made it a classic with his 1978 uptempo take.
When televangelists like Jimmy Swaggart took on rockers like Ozzy Osbourne and Metallica, the rockers retaliated. Bono could even be seen mocking the preachers.
The guy who brought us "Stacy's Mom" also wrote the Jane Lynch Emmy song and Stephen Colbert's Christmas songs.
Psychedelic Furs lead singer Richard Butler talks about their first album since 1991 and explains what's really going on in "Pretty In Pink."
Wolfgang Van Halen breaks down the songs on his debut album, Mammoth WVH, and names the definitive Van Halen songs from the Sammy and Dave eras.
"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.
The men of Sparks on their album Hippopotamus, and how Morrissey handled it when they suggested he lighten up.
