"Louie Louie" was first recorded in 1955 by an R&B singer named Richard Berry, and his lyrics are easy to understand. When The Kingsmen recorded the hit version, their lyrics were indecipherable.
An unknown Kesha (known then as Ke$ha) sang on Flo-Rida's #1 hit "Right Round," but refused to appear in the video because she wanted to make a name for herself.
Lady Gaga says that "Poker Face" is about her personal experience with bisexuality; being with a man but thinking about a woman.
Bernie Taupin was 17 when he wrote the lyrics to Elton John's "Your Song." Looking back, he says it's "one of the most naïve and childish lyrics in the entire repertoire of music."
The Bangles song "Eternal Flame" was inspired by a display at Graceland that honored Elvis Presley.
"Feel It Still" by Portugal. The Man deals with lead singer John Gourley becoming a "rebel just for kicks" after having a daughter and settling down. "It's hard to be a punk when you're thinking about your baby daughter at home," he says.
A history of songs dealing with transgender issues, featuring Pink Floyd, David Bowie, Morrissey and Green Day.
Iron Maiden, Adele, Toto, Eminem and Earth, Wind & Fire are just some of the artists with songs directly inspired by movies - and not always good ones.
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
One of rock's top photographers talks about artistry in photography, raising funds for a documentary, and enjoying a County Fair with Tom Waits.
Some songs get a second life when they find a new audience through a movie, commercial, TV show, or even the Internet.
Gary Lewis and the Playboys had seven Top 10 hits despite competition from The Beatles. Gary talks about the hits, his famous father, and getting drafted.