"Dude (Looks Like A Lady)" by Aerosmith was inspired by Vince Neil from Motley Crue.
The Information Society hit "What's On Your Mind (Pure Energy)" samples the voice of Leonard Nimoy (Spock) from an episode of Star Trek.
Pink Floyd's "Run Like Hell" was released as a single in America because it has a catchy beat, but the lyrics describe a reign of terror instigated by the despot Pink, the main character in the concept album The Wall.
"Girl Crush" by Little Big Town came from the hashtag #girlcrush, which its co-writer, Lori McKenna, spotted on Instagram.
"Celebration" by Kool & the Gang has a deeper meaning - it was inspired by a verse in the Quran where angels celebrate as God creates man.
The lyrics for "Mary, Did You Know?" were written by Christian singer and comedian Mark Lowry, after his pastor asked him to write a Christmas musical for their church. Southern gospel musician Buddy Greene later added music to his words.
Beef with Bon Jovi? An unfortunate Spandex period? See if you can spot the true stories in this Metallica version of Fact or Fiction.
You know the scenes - Tom Cruise in his own pants-off dance off, Molly Ringwald celebrating her birthday - but do you remember what song is playing?
For songwriters, Johnny represents the American man. He has been angry, cool, magic, a rebel and, of course, marching home.
Switchfoot's frontman and main songwriter on what inspires the songs and how he got the freedom to say exactly what he means.
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?"
John tells the "St. Elmo's Fire (Man In Motion)" story and explains why he disappeared for so long.