Some videos are better left unexplained. This is one of them. It’s a heavy metal, scorched throat cover of “Rudolph the Red-Nosed Reindeer,” as sung (“sung”) by famous white-guy crooner, Bing Crosby. The clip comes from composer Andy Rehfeldt, who also worked on Metallica-gone-smooth jazz. Now do Crosby and David Bowie’s “Little Drummer Boy” set to Oi!