We've seen all kinds of musical performances from Jimmy Fallon on The Tonight Show, from singing Alanis Morissette hits with Justin Timberlake, to lip-syncing with Paul Rudd and Emma Stone, to crushing a duet with Neil Young. 

Recently, however, Fallon took his musical endeavors to the next level.

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Fallon and The Roots performed the 1986 holiday hit "Wonderful Christmastime" — with the help of Hollywood. Paul McCartney and the cast of Sing, a family-friendly movie about singing animals (hey, why not? Zootopia was profitable) joined in to make an epic music video.

In addition to Fallon and McCartney's dulcet tones, you'll get to hear the musical chops of Scarlett Johansson, Reese Witherspoon, Matthew McConaughey, Tori Kelly, and Seth McFarlane 

Behold, their very seasonal masterpiece. 

We can't think of a better way to ring in the holidays than a Christmas singalong with Jimmy.