In Metallica's 1986 metal classic "Master Of Puppets," the "Master" represents drugs, controlling the user like a puppet. Lead singer James Hetfield wasn't an addict at the time, but 15 years later he needed rehab to treat his alcoholism.
Before it was part of a Pink Floyd album title, James Taylor put the line "still I'm on the dark side of the moon" in his 1968 song "Carolina In My Mind." He was living in London and missing his home in North Carolina.
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.
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 Eurythmics' "Sweet Dreams (Are Made Of This)" came top of a 2013 Spotify poll to find out which songs music fans most commonly hear people singing incorrectly. Many believe Annie Lennox is singing: "Sweet dreams are made of cheese, who am I to disagree?"
"She Loves You" by The Beatles was the song that convinced Ozzy Osbourne to make music his life. The Beatles were a big influence on him because they were also poor kids from a small town in England.
Guitarist Tony Iommi on the "Iron Man" riff, the definitive Black Sabbath song, and how Ozzy and Dio compared as songwriters.
In the summer of 1990, you could get arrested for selling a 2 Live Crew album or performing their songs in Southern Florida. And that's exactly what happened.
Kevin Godley talks about directing classic videos for The Police, U2 and Duran Duran, and discusses song and videos he made with 10cc and Godley & Creme.
Find out how God and glam metal go together from the Stryper frontman.
Harry is Derek Smalls in Spinal Tap, Mark Shubb in The Folksmen, and Mr. Burns on The Simpsons.
JJ talks about The Stranglers' signature sound - keyboard and bass - which isn't your typical strain of punk rock.