September 30, 2010 3:35 pm

VIDEO: Fallon and Timberlake perform ‘The History of Rap’

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I was skeptical when I read the premise for this video, even though Fallon is known for some spot-on musical impressions and Justin Timberlake is, well, Justin Timberlake. But these two pretty much killed this sketch.

ScreenHunter 01 Sep. 30 15.29 VIDEO: Fallon and Timberlake perform ‘The History of Rap’

I wonder how long this took to write and rehearse because their timing was pretty much perfect in this performance. It had to be something they’ve worked on for a good while before Timberlake came on the show. And of course it doesn’t hurt to have The Roots as your band in a situation such as this.

After bashing Fallon for so long, I have to admit that his show does some pretty interesting bits from time to time. He’s not much of a monologue guy, but when it comes to irreverent comedy numbers and beer pong, he has an odd charm about him. Look out, Leno, Fallon may be gunning for your job — riiight, they’ll have to pry that microphone from Jay’s cold, dead hands before a decent comedian gets that 11:30 time slot.