Fresh off of her Oscar performance, Idina Menzel joined Jimmy Fallon and The Roots for an acoustic rendition of “Let It Go” last night on The Tonight Show, accompanied by classroom instruments.

The song, from the animated Disney film Frozen, won the Oscar for Best Original Song this past Sunday (and Frozen itself took home the award for Best Animated Feature).

No one pulled a Travolta on Tonight, and Menzel’s name was properly pronounced, though earlier in the evening, Fallon poked fun at the actor’s flubbed introduction of Menzel at the Awards.

Of course, the real standout in the performance was Fallon, who used alphabet blocks as percussion instruments. Just kidding. But check out the jam sesh and judge for yourself.