Idina Menzel, Jimmy Fallon, and The Roots Sing "Let It Go" with Classroom Instruments

On last night's Tonight Show, Idina Menzel stopped by to perform the Oscar-winning song "Let It Go" from Frozen, using classroom instruments.  See who played what below.

Jimmy Fallon - toy blocks, bass drum, Casio keyboard Idina Menzel - triangle Questlove - kazoo, jingle sticks Mark Kelley - kazoo Kamal Gray - xylophone James Poyser - melodica Luke - ukulele Tuba Gooding Jr. - lemon shaker Frank Knuckles - bongos Black Thought -- tambourine, chimes