Blake Shelton and Jimmy go head-to-head trying to correctly guess random songs The Roots are playing one instrument at a time, like Gwen Stefani's "Hollaback Girl."

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The Tonight Show Starring Jimmy Fallon features hilarious highlights from the show including: comedy sketches, music parodies, celebrity interviews, ridiculous games, and, of course, Jimmy's Thank You Notes and hashtags! You'll also find behind the scenes videos and other great web exclusives.

Name That Song Challenge with Blake Shelton
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