"Paranoid" reflects a feeling Black Sabbath bass player Geezer Butler often felt after using drugs.
Ronnie Van Zant wrote the Lynyrd Skynyrd classic "Gimme Three Steps" after making the mistake of dancing with a girl whose boyfriend was in the bar and probably had a gun. He asked for a 3-step head start.
"On The Floor" by Jennifer Lopez samples the 1989 song "Lambada," which you might remember is about "The Forbidden Dance."
David Bowie's "Heroes" is about his producer Tony Visconti and his girlfriend, but Bowie didn't admit this until the '00s, since Visconti was married at the time.
The Split Enz song "Six Months In A Leaky Boat" is about the journey explorers made from Europe to colonize Australia and New Zealand, where the band is from.
The voice is that says "here we go" in the AJR song "Bang!" belongs to Charlie Pellett, the announcer on the New York City subway ("stand clear of the closing doors, please").
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.
The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.
A top country songwriter, Barry talks about writing hits for Little Big Town, Tim McGraw and Jason Aldean.
Harry is Derek Smalls in Spinal Tap, Mark Shubb in The Folksmen, and Mr. Burns on The Simpsons.
Roger tells the stories behind some of his biggest hits, including "Give a Little Bit," "Take the Long Way Home" and "The Logical Song."
Here's what happens when an opening act is really out of place with the headliner, like when Beastie Boys opened for Madonna.