Neil Young's song "Old Man" was inspired by the caretaker of the ranch he bought in 1970. Neil was the young man at the time, just 25.
Puff Daddy didn't get permission to sample the Police song "Every Breath You Take" on his Notorious B.I.G. tribute "I'll Be Missing You," but he later reached an agreement and even performed the song with Sting.
"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.
Barry Sonnenfeld, who would later direct the movies Get Shorty and Men in Black, was the director of photography on the "Rock the Casbah" video for The Clash.
The first time Jimmy Page, Robert Plant, John Bonham and John Paul Jones all recorded together in the studio was when they backed American singer PJ Proby on his Three Week Hero album.
Sia Furler wrote "Titanium" and wanted to give the tune to Katy Perry. She turned it down, so David Guetta recorded it instead using Sia's original demo guide vocal. It became a big hit, especially in the UK, where it went to #1.
Rob Halford, Richie Faulkner and Glenn Tipton talk twin guitar harmonies and explain how they create songs in Judas Priest.
Graham Nash tells the stories behind some of his famous songs and photos, and is asked about "yacht rock" for the first time.
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
Armed with a childhood spent devouring books, Mike Scott's heart was stolen by the punk rock scene of 1977. Not surprisingly, he would go on to become the most literate of rockers.
A drummer for one of the most successful metal bands of the last decade, Chris talks about what it's like writing and performing with Slipknot. Metal-neck is a factor.
Johnny Depp, Angelina Jolie, Mila Kunis and John Malkovich are just a few of the film stars who have moonlighted in music videos.