Hard Rock Nightmare. 1988.
Young Jim is convinced his grandfather is a monster and kills him. Years later Jim is in a music band and along with his friends venture to his grandfather's cabin and believe they are being stalked by a werewolf.
Dominick Brascia who was in Friday the 13th Part 5 (which a character from the movie is mentioned) wrote and directed this obscure film. This film has some really bad acting, some of the daft cheesiest dialogue but these teens are smart though, when they realise they are in trouble they do run. There is very little gore and blood but someone must have been a fan of Scooby-Doo with the ending.
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