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.
Elvis Presley recorded "Always On My Mind" in 1972, but Willie Nelson's version 10 years later was the hit and won the Song of the Year Grammy.
Johnny Cash promised to stay true to his first wife in "I Walk The Line," but when the song became a hit he found himself on the road, having an affair with June Carter, who became his second wife.
Keith Richards did some studio alchemy on "Street Fighting Man," which is all acoustic except the bass.
MTV wanted Weezer to record a version of their song "Hash Pipe" as "Half Pipe" to appeal to the skateboarding crowd. The band refused, and MTV listed the song as "H*** Pipe."
Buck Dharma of Blue Oyster Cult wrote "(Don't Fear) The Reaper" after he was diagnosed with a heart condition and started thinking about his own mortality.
A selection of songs made to be terrible - some clearly achieved that goal.
Vince Gill, Emmylou Harris and Lyle Lovett are just a few of the artists who have looked to Clark for insightful, intelligent songs.
The leader of the Modern A Cappella movement talks about the genre.
When Judd Apatow needed under-appreciated rockers for his Knocked Up sequel, he immediately thought of Parker, who just happened to be getting his band The Rumour back together.
Webb talks about his classic songs "By the Time I Get to Phoenix," "Wichita Lineman" and "MacArthur Park."
Do you know who wrote Patti Smith's biggest hit? How about the Grease theme song? See if you can match the song to the writer.