Hozier's "Take Me to Church" drew inspiration from the atheist writer Christopher Hitchens. He called it "a bit of a losing your religion song."
"Personal Jesus," a song about "being a Jesus for somebody else," was inspired by Elvis and Priscilla Presley.
Justin Timberlake originally wrote "Gone" for Michael Jackson, but his team turned it down, so 'N Sync cut it instead.
"Walking In Memphis" isn't so much about Memphis as it is The Hollywood Cafe in Mississippi, where Marc Cohn encountered an older woman named Murial playing piano.
Bob Seger's "Against The Wind" has the famous mind-bending line, "Wish I didn't know now what I didn't know then." Seger was going to cut it, but his Eagles buddies Glenn Frey and Don Henley told him it was the best line in the song.
Alicia Keys got a huge break when Oprah had her perform her debut single, "Fallin'," on her show.
The lead singer of Everclear, Art is also their primary songwriter.
Not everyone can be a superhero, but that hasn't stopped generations of musicians from trying to be Superman.
From the cowbell on "Mississippi Queen" to recording with The Who when they got the wrong Felix, stories from one of rock's master craftsmen.
The Nails lead singer Marc Campbell talks about those 44 women he sings about over a stock Casio keyboard track. He's married to one of them now - you might be surprised which.
Keyboard great David Sancious talks about his work with Sting, Seal, Springsteen, Clapton and Aretha, and explains what quantum physics has to do with making music.
Soul music legend Bill Withers on how life experience and the company you keep leads to classic songs like "Lean On Me."