Video: Mariah Carey and Jimmy Fallon – All I want for Christmas is You

Mariah Carey’s version of All I Want for Christmas is You has become a holiday classic. Here she is, jamming with Jimmy Fallon and The Roots, backstage before her recent appearance on Late Night with Jimmy Fallon. All the instruments were ones that could be found in an elementary school classroom, proving that it doesn’t take millions of dollars to make great music!