Jimmy Fallon is known for his musical brilliance; from his time on "Saturday Night Live" to his collaborations with The Roots on his talk shows, he knows how to make songs that go viral.
The fun hasn't stopped now that he's hosting "The Tonight Show", and his recent duet with Billy Joel may go down in history as Fallon's favorite (and maybe yours). Fallon is an admitted fanboy of Joel's and was visibly nervous as they talked, but once he brought out a "looper"--a device that allows one to make continuous, looping tracks of their own voice--the nerves took a backseat to the pure joy of performing with one of his idols.
The new friends did a rendition of "The Lion Sleeps Tonight" that quickly went viral. Check out the video to see why.
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