This week’s issue of EW goes viral, unspooling the stories behind the biggest and most iconic Internet videos of all time—including The Lonely Island’s “Lazy Sunday,” Rebecca Black’s “Friday,” and Chris Crocker’s “Leave Britney Alone!”
And, of course, no mortal being can resist clicking on a cat clip—or pretty much any footage of any animal doing anything cool, stupid, funny, or just plain bizarro. The rise of sharable video led to a discovery of behavioral information about all non-humanoid species. Don’t know where to start? Here’s your field guide to identifying the web’s most vibrant wildlife from YouTube’s formative years.
“KEYBOARD CAT” (2007) Current views: 39 million
Random acts of virtuosity are rarely documented in the wild, but this footage captures a feline—curiously attired in a powder blue T-shirt—pushing beyond the previously believed boundaries of animal dexterity by depressing piano keys both black and white to produce pop and jazz melodies that have haunted our souls for nine lifetimes.