Underoath are set to launch a streaming concert unlike any other with their Voyeurist: Digital Ghost livestream.The virtual event commences on Dec. 3, and to mark the occasion, one lucky winner will receive a prize package that includes the band’s rare Observatory albums box set, a ticket to Digital Ghost and an event T-shirt, plus a copy of their upcoming album Voyeurist on vinyl.To enter the contest and see photos of the prizes, head down toward the bottom of this post.The box set contains three pivotal…