"Magic" was the first word to serve as both the title of a #1 hit (Olivia Newton-John's 1980 tune "Magic") and the name of an artist behind a chart-topping song (Magic!'s 2014 hit "Rude").
"Invisible Touch" was the first time a band member (Phil Collins) had a #1 Hot 100 hit with a group after scoring a #1 solo hit.
When The Kinks released "Lola," most people didn't realize Lola was a man. "I was dancing with this beautiful blonde, then we went out into the daylight and I saw her stubble," Ray Davies said of the inspiration.
"November Rain" by Guns N' Roses has a literary influence: The lyric is based on a story called Without You by Del James.
"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.
The Bangles song "Eternal Flame" was inspired by a display at Graceland that honored Elvis Presley.
The Christian rapper talks about where his trip to Haiti and his history of addiction fit into his songs.
The Canadian superstar talks about his sudden rise to fame, and tells the stories behind his hits "Sunglasses At Night," "Boy In The Box" and "Never Surrender."
The renown Texas songwriter has been at it for 40 years, with tales to tell about The Flatlanders and The Clash - that's Joe's Tex-Mex on "Should I Stay or Should I Go?"
Vince Gill, Emmylou Harris and Lyle Lovett are just a few of the artists who have looked to Clark for insightful, intelligent songs.
Not everyone can be a superhero, but that hasn't stopped generations of musicians from trying to be Superman.
Was Long Tall Sally a cross-dresser? Did he really set his piano on fire? See if you know the real stories about one of rock's greatest innovators.