"I Guess That's Why They Call It The Blues" by Elton John was written for the sister of actress Rene Russo. Bernie Taupin, who wrote the lyrics, was married to Rene's sister, Toni.
The title of the Metallica song "Ride The Lightning" came from a line in the Stephen King book The Stand where a guy is about to be executed.
"Lean On" was originally sent by Major Lazer to both Rihanna and Nicki Minaj's camps as a slower reggae track. After both parties rejected the tune, Major Lazer recruited Danish singer MØ to supply vocals and recorded it themselves.
"Tenderness" by General Public was partly inspired by the outbreak of AIDS, which at the time was thought to be contagious.
"Are You Gonna Go My Way" by Lenny Kravitz is from the perspective of Jesus Christ: "I am the chosen I'm the one."
Blur's "There Are Too Many of Us" was inspired in part by a siege in an Australian chocolate café that Damon Albarn witnessed, which resulted in the death of the gunman and two hostages.
Not everyone can be a superhero, but that hasn't stopped generations of musicians from trying to be Superman.
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
Songwriting Hall of Famer Linda Perry talks about her songs "What's Up" and "Beautiful," her songwriting process, and her move into film music.
MTV, a popular TV theme song and Madonna all show up in this '80s music quiz.
Vince Gill, Emmylou Harris and Lyle Lovett are just a few of the artists who have looked to Clark for insightful, intelligent songs.
Johnny Depp, Angelina Jolie, Mila Kunis and John Malkovich are just a few of the film stars who have moonlighted in music videos.