Dean Martin and Frank Sinatra sing during the taping of "The Dean Martin Variety Show" circa 1967 in Hollywood, California. The list spans decades, beginning with 19th-century carols and leading into ...

Fa-la-la-la-la, Christmas is here! There are a lot of ways to get into the holiday spirit: You can decorate a tree, bake Christmas cookies, exchange gifts at a white elephant party—the list goes on.