Watch Trenches of Rock: The Metal Mission of Bloodgood (2019) : Full Movie Online Free This full-length documentary chronicles the 30-year history of the 'Christian Metal' band, Bloodgood, who was targeted not only by a mainstream music industry that found their blatant use of faith-based lyrics unfitting with heavy metal, but also by religious extremists who believed their music was the work of the devil - confronted by death threats, picketers and protests throughout their career.