One of the biggest things I enjoy on the Tonight Show With Jimmy Fallon is the backstage performances with children's instruments. Since it's the Christmas season, here's Jimmy with Mariah Carey.

She has become a bit of a diva as of late, but Jimmy Fallon was able to get her to step outside her comfort zone and just have fun singing. I love Mariah's voice and the fun part about playing Christmas Music is playing a great variety.  I love her version of this song, but I like when you can see the person really has talent and can really sing. We play Mariah's version of the song, but we also feature this version on  KOOL 101.7