Sarah McLachlan wrote "Angel" about the Smashing Pumpkins touring keyboard player Jonathan Melvoin, who overdosed on heroin and died in 1996.
"London Calling" by The Clash was written amid widespread fears that the Thames River was going to flood the city.
"Sing" was inspired by a girl that Ed Sheeran met in Las Vegas in the summer of 2013, when "one thing led to another and now she's kissing my mouth."
"Walking In Memphis" isn't so much about Memphis as it is The Hollywood Cafe in Mississippi, where Marc Cohn encountered an older woman named Murial playing piano.
The first single to simultaneously top the UK and US charts was The Everly Brothers' "Cathy's Clown" in May 1960.
Michael Jackson's "Human Nature" was written by the keyboard player from Toto, who was working on the Thriller album.
Franti tells the story behind his hit "Say Hey (I Love You)" and explains why yoga is an integral part of his lifestyle and his Soulshine tour.
Gramm co-wrote this gorgeous ballad and delivered an inspired vocal, but the song was the beginning of the end of his time with Foreigner.
How a gym teacher, a janitor, and a junkie became part of some very famous band names.
Graham Nash tells the stories behind some of his famous songs and photos, and is asked about "yacht rock" for the first time.
Justin wrote the classic "Nights In White Satin," but his fondest musical memories are from a different decade.
Johnny Depp, Angelina Jolie, Mila Kunis and John Malkovich are just a few of the film stars who have moonlighted in music videos.