Every year around Halloween, you can’t turn on the radio without hearing the novelty song “Monster Mash.” Released by Bobby “Boris” Pickett and the Crypt-Kickers in August 1962, it was such an instant hit that Pickett rushed out a Christmas version of the song called “Monsters’ Holiday” by December of that same year.
Source: Gizmodo – The Monster Mash Guy Rushed Out a Christmas Version of the Song in 1962 and It’s Super Weird