Jean-Claude Van Damme was an extra in the video for Ollie & Jerry's "Breakin'... There's No Stopping Us." He can be seen at point dancing in the background.
"Anaconda" was originally recorded by Missy Elliott in 2012, but she decided to shelf the track so it went to Nicki Minaj, who released it two years later.
The names Louise, Jack, Marie and Milo all show up in the song "Footloose." Marie was the mother of Dean Pitchford, who co-wrote it.
Ellie Goulding's hit song "Lights" is about her fear of the dark, which forces the singer to sleep with the lights on.
Calvin Harris' "Blame" was the first song to break 10 million streams in a week on Spotify. The record was set during the seven days of September 8 to September 14, 2014.
"All I Wanna Do" by Sheryl Crow started with the first line from an obscure poem called "Fun" that read, "All I wanna do is have some fun."
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.
Charlie discusses the songs that made him a Southern Rock icon, and settles the Devil vs. Johnny argument once and for all.
Kristian talks songwriting technique, like how the chorus should redefine the story, and how to write a song backwards.
Medley looks back on "Unchained Melody" and "You've Lost That Lovin' Feelin'" - his huge hits from the '60s that were later revived in movies.
With Bernie Taupin, Martin co-wrote the #1 hits "We Built This City" and "These Dreams." After writing the Pretty Woman song for Go West, he had his own hit with "In the House of Stone and Light."
Bridesmaids, Reservoir Dogs, Willy Wonka - just a few of the flicks where characters discuss specific songs, sometimes as a prelude to murder.