Paul McCartney wrote "Hey Jude" to comfort John Lennon's 5-year-old son Julian, whose parents were getting a divorce.
If what you get equals what you give away, you might as well give it all away. That's the concept behind "Give It Away" by Red Hot Chili Peppers.
Johnny Cash's wife, June Carter, wrote "Ring Of Fire" about their relationship.
Before recording "Boom Clap" herself, Charli XCX offered the song to Hilary Duff. However, the singer's people turned down the tune declaring it wasn't "cool enough for Hilary."
"Paper Planes" was inspired by M.I.A.'s hassles trying to get a visa to enter America.
"Walking In Memphis" isn't so much about Memphis, as it is The Hollywood Cafe in Mississippi, where Marc Cohn encountered an old woman named Murial playing piano.
Fishbone has always enjoyed much more acclaim than popularity - Angelo might know why.
U2, Carly Simon, Joanna Newsom, Brian Wilson and Fiona Apple have all gone to Van Dyke Parks to make their songs exceptional.
Kiss is the subject of many outlandish rumors - some of which happen to be true. See if you can spot the fakes.
Medley looks back on "Unchained Melody" and "You've Lost That Lovin' Feelin'" - his huge hits from the '60s that were later revived in movies.
Rosanne talks about the journey that inspired her songs on her album The River & the Thread, including a stop at the Tallahatchie Bridge.