
Thanks to the line "shake it like a Polaroid picture," Outkast's "Hey Ya!" made Polaroid cameras cool again. Many other artists have since mentioned Polaroid in their lyrics, including Eminem, Imagine Dragons, Keith Urban, Gorillaz and Tim McGraw.

"St. Elmo's Fire (Man In Motion)" was not written for the movie, but for Rick Hanson, a wheelchair athlete whose 1985 "Man In Motion" tour logged 24,856 miles on his wheelchair in 34 countries while raising $26 million for spinal cord research.

"Irreplaceable" wasn't specifically penned for Beyonce - in fact, Ne-Yo wrote it more as a country song and had Faith Hill and Shania Twain in mind.

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.

"Oh Well," from their 1960s Peter Green era, is the only Fleetwood Mac song played in concert in every decade they've been extant.
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?"
The writer of "Rainy Night in Georgia" and "Polk Salad Annie" explains how he cooks up his Louisiana swamp rock.
With his X-wife Exene, John fronts the band X and writes their songs.
The evolution of the symbol that was Prince's name from 1993-2000.
David Gray explains the significance of the word "Babylon," and talks about how songs are a form of active imagination, with lyrics that reveal what's inside us.
We ring the Hell's Bells to see what songs and rockers are sincere in their Satanism, and how much of it is an act.