Jimmy Fallon, Idina Menzel & the Roots Sing ‘Let It Go’ from ‘Frozen’ (with Classroom Instruments)

I'm glad Jimmy has kept many of his great bits from his previous show. One of the best is when he and the band 'The Roots' play a song with the hitmaker and classroom instruments. Last night (March 3) Idina Menzel and 'The Tonight Show' starring Jimmy Fallon performed 'Let It Go.'