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.
The lyrics for Lesley Gore's "It's My Party" were based on actual events relating to his daughter Judy's sweet 16 party. The teenager threw a tantrum and burst into tears when her mum and dad insisted that her grandparents had to be invited.
"Mickey" by Toni Basil was originally a song called "Kitty" by a male group. She picked the new name after Micky Dolenz of The Monkees.
Demi Lovato recorded a Spanish version of her song "Skyscraper," but she doesn't speak Spanish. She performed it on a Latin music awards show with help from a teleprompter.
The opening lines to "Free Bird," "If I leave here tomorrow, would you still remember me?" came from the girlfriend of Lynyrd Skynyrd guitarist Allen Collins, who asked him that question during an argument.
The riff for The Sex Pistols' "Pretty Vacant" was pinched from a very unpunk song, the ABBA ballad "S.O.S."
Director Mark Pellington on Pearl Jam's "Jeremy," and music videos he made for U2, Jon Bon Jovi and Imagine Dragons.
The in-depth discussion about the making of Jesus Christ Superstar with Ted Neeley, who played Jesus in the 1973 film.
Eddie (played by Johnny Depp in the video) found fame fleeting, but Chuck Berry's made-up musician fared better.
The stories behind "Whole Of The Moon" and "Red Army Blues," and why rock music has "outlived its era of innovation."
Shaun breaks down the Seether songs, including the one about his brother, the one about Ozzy, and the one that may or may not be about his ex-girlfriend Amy Lee.
You know the scenes - Tom Cruise in his own pants-off dance off, Molly Ringwald celebrating her birthday - but do you remember what song is playing?