If you have a whole day to kill, you can check out the full version of Pharrell Williams' "Happy" music clip, which was the world's first ever 24-hour music video.
The most famous pop song featuring a bassoon: "The Tears of a Clown" by Smokey Robinson & the Miracles.
In the UK, Michael Jackson's "Thriller" returns to the chart every Halloween, a tradition started in 2007.
The Temptations sang backup on "Super Freak" by Rick James. He mentions them in the song when he says, "Temptations, sing!"
The Oasis song "Live Forever" was written in response to "I Hate Myself And I Want To Die" by Nirvana. "Kids don't need to hear that nonsense," said Noel Gallagher.
Kenny Loggins co-wrote the Doobie Brothers hit "What a Fool Believes," which is about a guy who just can't accept that an affair from long ago was meaningless to her.
After studying in Paris with a famous composition teacher, Charles became the most successful writer of TV theme songs.
Beef with Bon Jovi? An unfortunate Spandex period? See if you can spot the true stories in this Metallica version of Fact or Fiction.
Cain talks about the divine inspirations for "Don't Stop Believin'" and "Faithfully."
At 80 years old, Yoko has 10 #1 Dance hits. She discusses some of her songs and explains what inspired John Lennon's return to music in 1980.
Switchfoot's frontman and main songwriter on what inspires the songs and how he got the freedom to say exactly what he means.
