The guys from Chic wrote "Le Freak" as a message to a doorman who wouldn't let them into a club. Originally, it was "F--- Off."
"If It Makes You Happy" by Sheryl Crow is about the sour grapes some of her collaborators from her first album expressed to the media when they felt slighted.
Alicia Keys got a huge break when Oprah had her perform her debut single "Fallin'" on her show.
The song "Grease," sung by Frankie Valli in the 1978 movie, was written by Barry Gibb of The Bee Gees.
Cyndi Lauper's hit "All Through The Night" was written and originally recorded by Jules Shear, who also wrote "If She Knew What She Wants" by the Bangles.
"Girl Crush" by Little Big Town came from the hashtag #girlcrush, which its co-writer, Lori McKenna, spotted on Instagram.
Kelly Keagy of Night Ranger tells the "Sister Christian" story and explains why he started sweating when he saw it in Boogie Nights.
Mike is lead guitarist with Tom Petty & the Heartbreakers, and co-writer of classic songs like "Boys Of Summer," "Refugee" and "The Heart Of The Matter."
With his X-wife Exene, John fronts the band X and writes their songs.
He's a singer and an actor, but as a songwriter Paul helped make Kermit a cultured frog, turned a bank commercial into a huge hit and made love both "exciting and new" and "soft as an easy chair."
The Def Leppard frontman talks about their "lamentable" hit he never thought of as a single, and why he's juiced by his Mott The Hoople cover band.
Martyn talks about producing Tina Turner, some Heaven 17 hits, and his work with the British Electric Foundation.
