Lionel Richie hosted the American Music Awards the night he recorded "We Are The World."
The video for Brad Paisley's "Online" is a mini-Seinfeld reunion, featuring Jason Alexander, Estelle Harris, and Patrick Warburton.
"Airplanes" by B.o.B was written by Lupe Fiasco, who recorded it but decided to pass.
Members of the San Francisco 49ers, including Dwight Clark, Joe Montana and Ronnie Lott, sang backup on "Hip to Be Square" by Huey Lewis and the News.
Post Malone came up with "White Iverson" after getting braids in his hair and thinking they looked like basketball legend Allen Iverson's signature cornrows.
"Sunday Girl" was written by Blondie guitarist Chris Stein to cheer up Debbie Harry after her cat had run away whilst they were away on tour. The gray cat was called Sunday Man.
Roger reveals the songwriting formula Clive Davis told him, and if "Eight Miles High" is really about drugs.
The top chant artist in the Western world, Krishna Das talks about how these Hindu mantras compare to Christian worship songs.
Jim talks about the impact of "The Middle" and uses a tree metaphor to describe his songwriting philosophy.
The Celtic music maker Loreena McKennitt on finding musical inspiration, the "New Age" label, and working on the movie Tinker Bell.
Rob Halford, Richie Faulkner and Glenn Tipton talk twin guitar harmonies and explain how they create songs in Judas Priest.
The Nails lead singer Marc Campbell talks about those 44 women he sings about over a stock Casio keyboard track. He's married to one of them now - you might be surprised which.