Enrique Iglesias' single "Bailando" was the first Spanish-language song to reach one billion views on YouTube.
"Heaven" by The Psychedelic Furs sounds upbeat, but is about an impending nuclear bombardment.
Chaka Khan's hit "I Feel For You" was written and originally recorded by Prince four years before she covered it.
If you have a whole day to kill, you can check out the full version of Pharrell Williams' "Happy" music video, the world's first 24-hour music video.
An unknown Kesha (known then as Ke$ha) sang on Flo-Rida's #1 hit "Right Round," but refused to appear in the video because she wanted to make a name for herself.
Chris tells the story of "Wicked Game," talks milkshakes and moonpies at Sun Records, and explains why women always get their way.
Lots of life lessons in these Eagles lyrics - can you match them to the correct song?
Beef with Bon Jovi? An unfortunate Spandex period? See if you can spot the true stories in this Metallica version of Fact or Fiction.
"How much does it cost? I'll buy it?" Another songwriter told Jonathan to change these lyrics. Good thing he ignored this advice.
Was Long Tall Sally a cross-dresser? Did he really set his piano on fire? See if you know the real stories about one of rock's greatest innovators.
