Mariah Carey's "My All" is about her affair with New York Yankees shortstop Derek Jeter.
"Heaven" by The Psychedelic Furs sounds upbeat, but is about an impending nuclear bombardment.
"November Rain" by Guns N' Roses has a literary influence: The lyric is based on a story called Without You by Del James.
Al Green's "Take Me to the River" describes a baptism. Two years later, he became a reverend.
Otis Day And The Knights, the fictional band created to perform "Shout" in the movie Animal House, became a real band, performing the song at colleges and other venues.
The bedrock of David Guetta's Nicki Minaj-featuring single "Hey Mama" is a sample of "Rosie," a 1940s prison recording from folk archivist Alan Lomax that songwriter Esther Dean first showed the French DJ on YouTube.
How the American gangsta rappers made history by getting banned in the UK.
Rockers, rappers and pop stars have been known to quote the Bible in their songs. See if you match the artist to the biblical lyric.
These overtly religious songs crossed over to the pop charts, despite resistance from fans, and in many cases, churches.
Collaborating with T Bone Burnett, Leslie Phillips changed her name and left her Christian label behind - Robert Plant, who recorded one of her songs on Raising Sand, is a fan.
Taylor talks about "The Machine" - the hits, the videos and Clive Davis.
