Last night (March 3), Jimmy Fallon brought another of his well-known segments to 'The Tonight Show.' The comedian and his house band, the Roots, gathered together to perform 'Let It Go' with Idina Menzel.

There's no doubt that the Tony award-winning actress brought the house down with her performance at the Oscars on March 2, but we love this stripped-down version of the song as well. Idina still showed off her incredible vocals -- and while playing the triangle!

Watch Idina, Jimmy and the Roots rock out in the video above.

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