Muhammad Ali, seen here in a 1967 photo, cemented his place in boxing history for all time with a stunning eighth round knock out of unbeaten and seemingly unbeatable heavyweight champion George Foreman in Kinshasa in October 1974.
Bob Dylan's original version of "Mr. Tambourine Man," released on his album Bringing It All Back Home, has no tambourine, just guitars and harmonica.
Aimee Mann's "Save Me" was inspired by her relationship with the actor Dave Foley, who had gone through a divorce and was an emotional train wreck.
"Tenderness" by General Public was partly inspired by the outbreak of AIDS, which at the time was thought to be contagious.
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.
Donna Summer's "Bad Girls" is so catchy, it's easy to forget that it's about prostitutes. The song was deemed kid-friendly enough for the 2000 movie Rugrats In Paris.
Stephen Tobolowsky, who played Ned Ryerson in Groundhog Day, inspired the Talking Heads song "Radio Head." Tobolowsky, who worked on David Byrne's film True Stories, claimed to have telepathic powers.
When you free your mind, your ass may follow, but you have to make sure someone else doesn't program it while it's wide open.
Michael tells the story of "Send Me On My Way," and explains why some of the words in the song don't have a literal meaning.
The "Lowdown" and "Lido Shuffle" singer makes a habit of playing with the best in the business.
The first of Billy's five #1 hits was the song that propelled Madonna to stardom. You'd think that would get you a backstage pass, wouldn't you?
Wilder's hit "Break My Stride" had an unlikely inspiration: a famous record mogul who rejected it.
Here's what happens when an opening act is really out of place with the headliner, like when Beastie Boys opened for Madonna.