John Legend wrote "All Of Me" about his fiancée Chrissy Teigen. He sang it to her at their wedding ceremony in Como, Italy.
A roadie for the Allman Brothers came up with the line "The road goes on forever" for "Midnight Rider," and got a songwriting credit for his contribution.
Pink wrote "Just Give Me A Reason" about how one partner can feel jilted over something trivial, like how her boyfriend passes her the butter.
Christine McVie wrote "Songbird" for Fleetwood Mac's Rumours album in just half a hour after she woke up in the middle of the night with the song in her head.
"I Can See Clearly Now" by Johnny Nash was the first reggae song to hit #1 in America on the Hot 100.
It has long been speculated that the Soundgarden song "Black Hole Sun" came from the name of a sculpture in Seattle, but according to their frontman Chris Cornell the title came from a phrase he misheard on the news. The band's name did come from a sculpture.
We ring the Hell's Bells to see what songs and rockers are sincere in their Satanism, and how much of it is an act.
When Judd Apatow needed under-appreciated rockers for his Knocked Up sequel, he immediately thought of Parker, who just happened to be getting his band The Rumour back together.
A top session musician, Carol played on hundreds of hits by The Beach Boys, The Monkees, Frank Sinatra and many others.
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.
Songwriting Hall of Famer Linda Perry talks about her songs "What's Up" and "Beautiful," her songwriting process, and her move into film music.
"Missing You" was a spontaneous outpouring of emotion triggered by a phone call. John tells that story and explains what MTV meant to his career.