Katy Perry's breakout hit, "I Kissed A Girl," was surprising to those familiar with her past: Her parents were pastors and she started off singing Christian music.
Harry Chapin's wife Sandy wrote the lyrics to "Cat's In The Cradle," which were actually about her first husband.
"Teardrop" by Massive Attack has vocals by Elizabeth Fraser of The Cocteau Twins, who wrote the lyric after learning that Jeff Buckley had died.
The Doobie Brothers' swampy #1 hit "Black Water" is about the Mississippi River, evoking the rafting adventures Mark Twain and Huckleberry Finn.
AC/DC's "For Those About To Rock (We Salute You)" is titled after a phrase Roman gladiators said heading into battle: "We who are about to die salute you."
The "Don't Stop Believin'" lyric was inspired by Sunset Boulevard, making it perfect for the Rock of Ages musical.
Cain talks about the divine inspirations for "Don't Stop Believin'" and "Faithfully."
The outlaw country icon talks about the spiritual element of his songwriting and his Bob Dylan mention.
Ozzy, Guns N' Roses, Judas Priest and even Michael Bolton show up in this Classic Metal quiz.
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.
Pool balls, magpies and thorns without roses - how well do you know your Tom Waits lyrics?
The lead singer and pianist for Procol Harum, Gary talks about finding the musical ideas to match the words.