Originally a chart-topper for Steve Lawrence in 1962, "Go Away Little Girl" became the first song of the rock era to hit #1 for two different artists when Donny Osmond's cover version also reached the summit in 1971.
Eddie Van Halen played the guitar solo on "Beat It" as a favor to Quincy Jones, who produced the album.
Meghan Trainor and her producer Kevin Kadish wrote "All About That Bass" for another artist to record, but after Epic Records boss LA Reid heard Meghan play a demo of the song on a ukulele, he signed her to his label and told her she should sing it.
"Personal Jesus," a song about "being a Jesus for somebody else," was inspired by Elvis and Priscilla Presley.
Mariah Carey's "My All" is about her affair with New York Yankees shortstop Derek Jeter.
Michael Jackson was only 11 years and 5 months old when the Jackson 5's "I Want You Back" became the group's first #1 hit. This made Jackson the youngest group member ever to top the Hot 100.
Beef with Bon Jovi? An unfortunate Spandex period? See if you can spot the true stories in this Metallica version of Fact or Fiction.
The (Meat)puppetmaster takes us through songs like "Lake Of Fire" and "Backwater," and talks about performing with Kurt Cobain on MTV Unplugged.
The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
Was Justin the first to be Punk'd by Ashton Kutcher? Did Britney really blame him for her meltdown? Did his bandmates think he was gay?
Gary Lewis and the Playboys had seven Top 10 hits despite competition from The Beatles. Gary talks about the hits, his famous father, and getting drafted.
It wasn't her biggest hit as a songwriter (that would be "Bette Davis Eyes"), but "Put a Little Love in Your Heart" had a family connection for Jackie.