
The phrase "Mamma Mia" was big in 1976. It was the name of a popular Abba song, and also showed up in the lyrics to "Bohemian Rhapsody" by Queen.

You wouldn't know it from the upbeat melody, but "Walkin' On The Sun" by Smash Mouth is about the 1992 Los Angeles Riots.

Pink Floyd's "Run Like Hell" was released as a single in America because it has a catchy beat, but the lyrics describe a reign of terror instigated by the despot Pink, the main character in the concept album The Wall.

Ray Parker Jr. had to get the word "Ghostbusters" in the title when he wrote the theme song for the 1984 film, which was no easy task. When it came time to sing the title in the chorus, he brought in friends to make it a gang vocal.

Gina in Bon Jovi's "Livin' On A Prayer" is based on a singer named Maria Vidal, who was working as a singing waitress using the name Gina Velvet.

Fleetwood Mac's "Gypsy" is about Stevie Nicks' best friend, who died of leukemia.
An interview with Dr. John Covach, music professor at the University of Rochester whose free online courses have become wildly popular.
Richard explains how Joe Walsh kickstarted his career, and why he chose Hazard, Nebraska for a hit.
The Winger frontman reveals the Led Zeppelin song he cribbed for "Seventeen," and explains how his passion for orchestra music informs his songwriting.
"Missing You" was a spontaneous outpouring of emotion triggered by a phone call. John tells that story and explains what MTV meant to his career.
Johnny Depp, Angelina Jolie, Mila Kunis and John Malkovich are just a few of the film stars who have moonlighted in music videos.