The sample in Beck's song "Where It's At" that says "What about those who swing both ways: AC-DC" came from a 1969 sex-ed album for middle schoolers.
In Gary Numan's "Cars," the message is that cars lead to a mechanical society devoid of personal interaction. This didn't stop automakers from using it in commercials. Both Nissan and Oldsmobile have used it in ads.
The comedian Steve Martin had a hit in 1978 with "King Tut." The Nitty Gritty Dirt Band, who Martin would open for on tour, were his backing band on the song.
"Oh Happy Day" was recorded in a church and sold to raise money for the choir. It's the only genuine gospel song to become a pop hit.
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.
The "Gunter Glieben Glauten Globen" intro in Def Leppard's "Rock Of Ages" is something their producer Mutt Lange came up with when he got tired of counting them "1, 2, 3, 4..."
Switchfoot's frontman and main songwriter on what inspires the songs and how he got the freedom to say exactly what he means.
When she released her first album in 1988, Tanita became a UK singing sensation at age 19. She talks about her darkly sensual voice and quirky songwriting style.
Medley looks back on "Unchained Melody" and "You've Lost That Lovin' Feelin'" - his huge hits from the '60s that were later revived in movies.
Paul Stanley on his soul music project, the Kiss songs with the biggest soul influence, and the non-make-up era of the band.
Where words like "email," "thirsty," "Twitter" and "gangsta" first showed up in songs, and which songs popularized them.
The stories behind "Shine," "December," "The World I Know" and other Collective Soul hits.