Michael Jackson wrote the Diana Ross hit "Muscles," which he named after his pet boa constrictor.
Producer Bob Ezrin convinced Pink Floyd to put a disco beat and children's chorus on "Another Brick In The Wall (Part 2)," which started out as a short interstitial for their album The Wall.
"Big Love" is a showcase song for Lindsey Buckingham and the first single from Fleetwood Mac's 1987 album Tango In The Night, but he left the group soon after the album was released and the band didn't perform it live until he returned 10 years later.
"Instant Karma" is one of John Lennon's most hopeful songs, written and recorded in one day at a time when he felt people were pulling together in a positive direction.
Drake's "One Dance" was the first ever song to rack up one billion streams on Spotify.
"Tainted Love" started as a 1964 soul song by Gloria Jones, became a huge hit when Soft Cell covered it in 1981, and was the basis for Rihanna's 2006 #1 "S.O.S. (Rescue Me)."
The Doobies guitarist and lead singer, Tom wrote the classics "Listen To The Music," "Long Train Runnin'" and "China Grove."
Country songs with titles so bizarre they can't possibly be real... or can they?
When you have a song called "Fire," it's tempting to set one - these guys did.
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.
Iron Maiden, Adele, Toto, Eminem and Earth, Wind & Fire are just some of the artists with songs directly inspired by movies - and not always good ones.
When singers started spoofing their own songs on Sesame Street, the results were both educational and hilarious - here are the best of them.