Primal Belmont Halloween Bash Join us at Primal Brewery Belmont for the Halloween Bash on Saturday, October 31st from 7:00 PM to 10:00 PM. The evening will feature live entertainment, local brews, and a costume competition. Event Details: Location: Primal Brewery Belmont 7:00 PM – 9:30 PM: Live music featuring The Grateful Dudes 8:00 PM: Costume Contest – wear your best outfit for a chance to win a prize.