Cyndi Lauper came up with the title "Time After Time" when she saw it in TV Guide magazine. It's the name of a 1979 movie about a man who invents a time machine.
The bedrock of David Guetta's Nicki Minaj-featuring single "Hey Mama" is a sample of "Rosie," a 1940s prison recording from folk archivist Alan Lomax that songwriter Esther Dean first showed the French DJ on YouTube.
Eric Clapton's only Hot 100 #1, either solo or with one of his many bands, was his cover of Bob Marley's "I Shot The Sheriff."
"It Wasn't Me" by Shaggy was based on an Eddie Murphy comedy bit where he would deny everything no matter how badly he was caught.
Neil Diamond wrote "I'm A Believer" early in his career. It was a hit for The Monkees and revived by Smash Mouth in 2001 for the movie Shrek, helping make Diamond cool again.
"Tainted Love" started as a 1964 soul song by Gloria Jones, became a huge hit when Soft Cell covered it in 1981, and was the basis for Rihanna's 2006 #1 "S.O.S. (Rescue Me)."
Phil was a songwriter, producer and voice behind many Philadelphia soul classics. When disco hit, he got an interesting project: The Village People.
The man who created Yacht Rock with "Sailing" wrote one of his biggest hits while on acid.
The Celtic music maker Loreena McKennitt on finding musical inspiration, the "New Age" label, and working on the movie Tinker Bell.
Does he have beef with Gaga? Is he Sean Lennon's godfather? See if you can tell fact from fiction in the Elton John edition.
Harry Wayne Casey tells the stories behind KC and The Sunshine Band hits like "Get Down Tonight," "That's The Way (I Like It)," and "Give It Up."
Charlie discusses the songs that made him a Southern Rock icon, and settles the Devil vs. Johnny argument once and for all.