"Lean On" was originally sent by Major Lazer to both Rihanna and Nicki Minaj's camps as a slower reggae track. After both parties rejected the tune, Major Lazer recruited Danish singer MØ to supply vocals and recorded it themselves.
Bob Marley gave the songwriting credit for "No Woman No Cry" to his friend Vincent Ford, who ran a soup kitchen in Trenchtown, the area of Kingston where Marley grew up.
Wang Chung's '80s classic "Dance Hall Days" is about how things can start simple but end up complex. First you "take your baby by the hand," but by the end she has an amethyst in her mouth.
Dire Straits frontman Mark Knopfler got the idea for "Money For Nothing" after overhearing delivery men in a New York department store complain about their jobs while watching MTV.
Village People lead singer Victor Willis, who co-wrote "Y.M.C.A.," insists it isn't a gay song - it's about hanging out with your buddies.
Meghan Trainor wrote "Lips Are Movin" in just eight minutes with her writing partner Kevin Kadish.
What's the deal with "Summer of '69"? Bryan explains what the song is really about, and shares more of his songwriting insights.
The singer/bassist for Concrete Blonde talks about how her songs come from clairvoyance, and takes us through the making of their hit "Joey."
The lead singer and pianist for Procol Harum, Gary talks about finding the musical ideas to match the words.
Just like Darrin was replaced on Bewitched, groups have swapped out original members, hoping we wouldn't notice.
When singers started spoofing their own songs on Sesame Street, the results were both educational and hilarious - here are the best of them.
Rick has a surprising dark side, a strong feminine side and, in a certain TV show, a naked backside. But he still hasn't found Jessie's Girl.
