In 1939, a polka craze swept America thanks to "Beer Barrel Polka (Roll Out The Barrel)."
"Forever" by Chris Brown was written for a Wrigley's Doublemint Gum commercial. The full song contains the gum's tagline: "Double your pleasure, double your fun."
"Rosanna" by Toto got its name from the actress Rosanna Arquette, who was dating Toto keyboard player Steve Porcaro.
The title "25 Or 6 To 4" by Chicago refers to the time it was written: either 25 minutes to 4 (3:35) or 26 (3:34).
Ed Sheeran's first single was "The A Team," a song about a drug-addicted prostitute.
Tired of X-Factor winners getting the UK Christmas #1, British Facebook users staged a successful campaign to download "Killing In The Name" by Rage Against The Machine enough times to boost the song to the top in 2009, blocking the X-Factor single by Joe McElderry.
Chris tells the story of "Wicked Game," talks milkshakes and moonpies at Sun Records, and explains why women always get their way.
Established as a redoubtable singer-songwriter, the Men At Work frontman explains how religion, sobriety and Jack Nicholson play into his songwriting.
Jim talks about the impact of "The Middle" and uses a tree metaphor to describe his songwriting philosophy.
The Stax legend on how he cooked up "Green Onions," the first time he and Otis Redding saw hippies, and if he'll ever play a digital organ.
Richie talks about producing the first two Kiss albums, recording "Brother Louie," and the newfound appreciation of his rock band, Dust.
A history of songs dealing with transgender issues, featuring Pink Floyd, David Bowie, Morrissey and Green Day.