Jimmy and The Roots sumali Paul McCartney, Matthew McConaughey, Reese Witherspoon, Scarlett Johansson, Seth MacFarlane and Tori Kelly for an a cappella rendition of "Wonderful Christmastime." The Tonight Show, 20 Dec 2016.
Elmo wishes that it would be pasko every day, but with the help of Santa's reindeer-in-training, Lightning, he learns that might not be such a good idea when he sees the future.