One day after performing the song at the Oscars and being called “Adele Dazim” by John Travolta, Idina Menzel joined Jimmy Fallon and The Roots for a classroom instrument performance of “Let It Go” from Frozen on Monday’s “The Tonight Show.”

The song has been everywhere this winter — but you’ve never heard it quite like this.

It’s definitely worth watching.

Check out the video below!