Prince Markie Dee of The Fat Boys co-wrote the Mary J. Blige hit "Real Love."
Jay-Z did the rap on "Crazy In Love" at the last minute. He and Beyoncé had started dating and the Texan songstress asked him to get on the song the night before she had to turn in her album.
Eric Clapton wrote "Wonderful Tonight" while waiting for his girlfriend, Pattie Boyd, to get ready for a night out. By the time she was ready, he had written the song.
Mike Campbell from Tom Petty & the Heartbreakers played the slide guitar on "Sixth Avenue Heartache." There is a connection here - Wallflowers lead singer Jakob's dad, Bob Dylan, played with Tom Petty in The Traveling Wilburys.
Neil Young was married when he wrote "Cinnamon Girl," which clearly was not about his wife. He had a hard time explaining it to her.
"Airplanes" by B.o.B was written by Lupe Fiasco, who recorded it but decided to pass.
From the lake in "Roundabout" to Sister Bluebird in "Starship Trooper," Jon Anderson talks about how nature and spirituality play into his lyrics for Yes.
The renown Texas songwriter has been at it for 40 years, with tales to tell about The Flatlanders and The Clash - that's Joe's Tex-Mex on "Should I Stay or Should I Go?"
Kiss is the subject of many outlandish rumors - some of which happen to be true. See if you can spot the fakes.
He wrote "She Blinded Me With Science" so he could direct a video about a home for deranged scientists.
The drummer and one of the primary songwriters in Grand Funk talks rock stardom and Todd Rundgren.