pDancers at the New York City Halloween parade on October 31 moved to the beat of “Thriller” as part of the annual festivity in Greenwich Village.ppSeen wearing a variety of costumes, dancers launched into a choreography of the popular Michael Jackson song as passerbys and other parade attendants watched from either side of the street. The dance is a tradition that has taken place every Halloween since 2004.ppThe annual holiday parade carried on despite the truck attacka in lower Manhattan just hours before, which left eight dead and more than a dozen injured when the vehicle rammed into pedestrians.