Stevie Wonder was 12 years old when he released his first #1 hit, "Fingertips (Part 2)." He had to wait 22 years for his next one: "Part Time Lover."
Ariana Grande's hit "Problem" started off as a track written by One Direction songwriter Savan Kotecha. He gave it the working title of "The Whisper Song," after a 2005 Ying Yang Twins hit.
"Man On The Moon" by R.E.M. is about the comedian Andy Kaufman, who often seemed like he was from another planet.
The Cure's "Lullaby" is based on a recurring nightmare frontman Robert Smith had as a child where he was eaten by a giant spider.
The "Don't Stop Believin'" lyric was inspired by Sunset Boulevard, making it perfect for the Rock of Ages musical.
"Rhythm Of My Heart" by Rod Stewart is about a soldier at war - his heart is beating like a drum because he's in battle.
Just how much did these monsters of rock dabble in the occult?
Tim and his brother Richard are the Furs' foundation; Tim explains how they write and tells the story of "Pretty In Pink."
The king of Christian worship music explains talks about writing songs for troubled times.
Songs that seem to glorify violence against women are often misinterpreted - but not always.
Joe talks about the challenges of of making a Duke Ellington tribute album, and tells the stories behind some of his hits.
Kelly Keagy of Night Ranger tells the "Sister Christian" story and explains why he started sweating when he saw it in Boogie Nights.