Add Yahoo as a preferred source to see more of our stories on Google. What happens when the grinding sounds of metal music collide with the innocence of Christmas? Alexander Koerner/Getty Images With ...

Do you know what bobtails and wassailing are? We have experts explain the meaning of those weird Christmas carol lyrics. Many of our most popular holiday songs are from the 19th century, when ...

Some people observe December 25 as sacred and also mark January 6 as “Old Christmas.” We’ve all heard of traditional Christmas carols like “Jingle Bells” and “Deck the Halls,” but what about “The ...

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 ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Florian Walch, West Virginia University (THE CONVERSATION) With Mariah Carey and Wham!