Kacey Musgraves offered "Follow Your Arrow" to her friend Katy Perry, but Perry thought Musgraves should record the song herself, telling Kacey it seemed "like something that you would totally say."
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.
Mick Jagger was a little freaked out when Maroon 5 released "Moves Like Jagger," a celebration of his stage moves. "It puts a bit of pressure on me when I go out dancing," he said.
Billy Joel's "My Life" was used as the theme song to the 1980 TV show Bosom Buddies, which starred a young Tom Hanks as a guy who lives in a hotel for women by dressing up as a girl.
The death of John Lennon was an influence on the Stevie Nicks hit "Edge Of Seventeen." He's the one with the "words of a poet and voice from a choir."
He wrote "She Blinded Me With Science" so he could direct a video about a home for deranged scientists.
Since emerging from MySpace with her hit "Bubbly," Colbie has become a top songwriter, even crafting a hit with Taylor Swift.
Tim and his brother Richard are the Furs' foundation; Tim explains how they write and tells the story of "Pretty In Pink."
Did Marvin try out with the Detroit Lions? Did he fake crazy to get out of military service? And what about the cross-dressing?
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."
When a waitress wouldn't take him home, Jack wrote what would become one of the Eagles most enduring hits.
