Nov. 9, 1991: Metallica returned to Duluth for its second concert at the Duluth Entertainment Convention Center Arena. Above is the TV promo for the show, which mistakenly refers to the DECC as “the DECK.” Below are performance videos of five songs from the show — “Enter Sandman,” “Harvester of Sorrow,” “The Four Horsemen,” “Whiplash” and “Master of Puppets.”