Some songs get a second life when they find a new audience through a movie, commercial, TV show, or even the Internet.
Dean wrote the screenplay and lyrics to all the songs in Footloose. His other hits include "Fame" and "All The Man That I Need."
Rob Halford, Richie Faulkner and Glenn Tipton talk twin guitar harmonies and explain how they create songs in Judas Priest.
Bob was the bass player and lyricist for the first two Ozzy Osbourne albums. Here's how he wrote songs like "Crazy Train" and "Mr. Crowley" with Ozzy and Randy Rhoads.
Evelyn McDonnell, editor of the book Women Who Rock, on why the Supremes are just as important as Bob Dylan.
Emilio talks about what it's like to write and perform with the Tower of Power horns, and why every struggling band should have a friend like Huey Lewis.
Jessie J had a lyric from her song "Who You Are" tattooed on her hip:
When the Velvet Underground song "Heroin" got screechy, Maureen Tucker stopped drumming, figuring it would bust the take, but her bandmates kept going. You can hear it at the 5:20 mark.
k.d. lang is a credited writer on the Rolling Stones song "Anybody Seen My Baby?" because it sounds so much like her hit "Constant Craving."
The Hollies hit "The Air That I Breathe" was written in part as a reaction to the smog in Los Angeles.
Zayn's "Pillowtalk" reached #1 on the Hot 100, something his former One Direction bandmates never achieved.
"Anaconda" was originally recorded by Missy Elliott in 2012, but the rapper decided to shelf the track so it was re-recorded by Minaj two years later.