When Adele needed to cry during the filming of the video for "Hello" she played Labrinth's 2014 single "Jealous." "You could play it at my kid's birthday and I'd burst into tears," she said.
The game Lana Del Rey sings about in "Video Games" is World of Warcraft - her ex used to play it all the time.
Jean-Claude Van Damme was an extra in the video for Ollie & Jerry's “Breakin'... There's No Stopping Us” and he can be seen at point dancing in the background.
Paul McCartney's favorite song that he wrote for someone else is Cilla Black's 1968 UK Top 10 hit, "Step Inside Love."
Weezer's "Undone - The Sweater Song" was written as a sad song about depression, but listeners heard it as a funny, ironic song.
How a gym teacher, a janitor, and a junkie became part of some very famous band names.
John tells the "St. Elmo's Fire (Man In Motion)" story and explains why he disappeared for so long.
"I'll Be" was what Edwin called his "Hail Mary" song. He says it proves "intention of the songwriter is 180 degrees from potential interpretation by an audience."
Tom stopped performing Thompson Twins songs in 1987, in part because of their personal nature: "Hold Me Now" came after an argument with his bandmate/girlfriend Alannah Currie.
Elvis, Little Richard and Cheryl Cole have all sung about Teddy Bears, but there is also a terrifying Teddy song from 1932 and a touching trucker Teddy tune from 1976.
Hitmaker Carl Sturken on writing and producing for Rihanna, 'N Sync, Christina Aguilera, Kelly Clarkson, Donny Osmond, Shakira and Karyn White.