Meghan Trainor wrote "Lips Are Movin" in just eight minutes with her writing partner Kevin Kadish.
"Do You Really Want To Hurt Me?" was written by Boy George about his relationship with Culture Club's drummer Jon Moss.
"I Just Called To Say I Love You" is Stevie Wonder's best-selling single worldwide. It topped the Hot 100, AC, R&B and UK charts all in the same week.
Before she was famous on Friends, Courteney Cox danced on stage with Bruce Springsteen in his "Dancing In The Dark" video.
The line "satellite of love" in the Def Leppard song "Rocket" came from the title of a 1972 Lou Reed song.
Justin Timberlake originally wrote "Gone" for Michael Jackson, but his team turned it down, so 'N Sync cut it instead.
John tells the "St. Elmo's Fire (Man In Motion)" story and explains why he disappeared for so long.
Franti tells the story behind his hit "Say Hey (I Love You)" and explains why yoga is an integral part of his lifestyle and his Soulshine tour.
The stories behind "Whole Of The Moon" and "Red Army Blues," and why rock music has "outlived its era of innovation."
The flautist frontman talks about touring with Led Zeppelin, his contribution to "Hotel California", and how he may have done the first MTV Unplugged.
Graham Nash tells the stories behind some of his famous songs and photos, and is asked about "yacht rock" for the first time.
In the name of song explanation, Al talks about scoring heroin for William Burroughs, and that's not even the most shocking story in this one.