"All I Want for Christmas Is You" is one of the most overplayed holiday songs out there -- so we're glad Mariah Carey shook things up a bit last night and performed a very different version of the song.
The singer was a guest on "Late Night with Jimmy Fallon" on Tuesday, where she stopped by the Music Room to perform her classic song with Jimmy and The Roots.
But instead of real instruments, the band used ones you'd find in an elementary school classroom, including a plastic xylophone and a blue recorder.
The best instrument at use here is still Mimi's voice, which sounds great even in a stripped-down setting like this one.
Check out the performance above. What's your favorite holiday song? Sound off below!
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