Have you ever wondered what "figgy pudding" is while belting out your favorite Christmas carol? Or puzzled over whether sugar ...

What exactly is wassailing — and why does it keep showing up in Christmas songs? From medieval drinking bowls to danceable ...

"The Wassail Bowl," printed in The Illustrated London News on Dec. 22, 1860. Going door to door and offering a song or performance in exchange for a drink or money is a centuries-old English custom.

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 ...