The bedrock of David Guetta's Nicki Minaj-featuring single "Hey Mama" is a sample of "Rosie," a 1940s prison recording from folk archivist Alan Lomax that songwriter Esther Dean first showed the French DJ on YouTube.
When David Bowie sings, "We like dancing and we look divine" in "Rebel Rebel," it's a reference to a famous drag queen known as Divine.
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.
References to David Bowie, Tom Waits and Allan Ginsburg are peppered into the Bush song "Everything Zen."
"What A Wonderful World," released in 1967 four years before Louis Armstrong died, didn't find an audience in America until 1988 when it was used in the movie Good Morning, Vietnam.
Lily Allen wrote "Something's Not Right" for the soundtrack of the Peter Pan prequel, Pan. The song was inspired by the heartache that Allen experienced after suffering a miscarriage when she was six months pregnant with her first child by husband Sam Cooper in 2010.
Dwarfs on stage with an oversize Stonehenge set? Dabbling in Satanism? Find out which Spinal Tap-moments were true for Black Sabbath.
Collaborating with T Bone Burnett, Leslie Phillips changed her name and left her Christian label behind - Robert Plant, who recorded one of her songs on Raising Sand, is a fan.
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.
Laura Nyro talks about her complex, emotionally rich songwriting and how she supports women's culture through her art.
How did The Edge get his name? Did they name a song after a Tolkien book? And who is "Angel of Harlem" about?
Rock Stars - especially those in the metal realm - are often enlisted for horror movies. See if you know can match the rocker to the role.