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..."
"Zoot Suit Riot" isn't just a Cherry Poppin' Daddies song - they were real riots in Los Angeles in 1943 that inspired the lyrics.
Justin Timberlake originally wrote "Gone" for Michael Jackson, but his team turned it down, so 'N Sync cut it instead.
"The Battle of Evermore" is the only song Zeppelin ever recorded with a guest vocalist. It features Sandy Denny from Fairport Convention duetting with Robert Plant.
In the song "God," Tori Amos makes the point that if there's God, there must also be a Goddess because there are no male-only species.
When Tony Bennett and Amy Winehouse's version of "Body and Soul" made the Hot 100, Bennett became at age 85, the oldest living artist to chart.
David Gray explains the significance of the word "Babylon," and talks about how songs are a form of active imagination, with lyrics that reveal what's inside us.
Smith breaks down some of his worship tracks as well as his mainstream hits, including "I Will Be Here For You" and "A Place In This World."
How well do you know your protest songs (including the one that went to #1)?
In the name of song explanation, Al talks about scoring heroin for William Burroughs, and that's not even the most shocking story in this one.
Eddie (played by Johnny Depp in the video) found fame fleeting, but Chuck Berry's made-up musician fared better.
When Dave recorded the first version of the song with his group the Blasters, producer Nick Lowe gave him some life-changing advice.