Jimmy Fallon and The Roots are the masters of covering popular songs with classroom instruments, as witnessed by their collaborations with Robin Thicke and Carly Rae Jepsen. This time around, they worked their magic on Frozen's "Let It Go," along with the original songstress, Idina Menzel. Menzel is hot off her Oscars performance, and though this performance is slightly less demanding (girl gets to wear jeans instead of a ball gown), it's just as entertaining. Plus, I'm pretty sure Fallon at least knows her name.
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