Jimmy Fallon, Idina Menzel & The Roots Sing "Let It Go" from "Frozen" (w...

I've been laughing by myself as I watch this musical playlist from The Tonight Show with Jimmy Fallon and this I really had to post... 

I thought they ran out of versions for this song... 

 And how cute is that Casio Instrument?! I had one of those before! LOL



  



*also check out the epic lip-sync battles of Emma Stone and Joseph Gordon Levitt

(yeah yeah uber delayed reaction I know)*