*Shinjuku Mad* was one of Koji Wakamatsu's six films from 1970. Grim and gritty, stark and steady, burdened with anti-moralizing, generously padded with sex, and totally redeemed by a soundtrack that needs to be released NOW. I knew nothing about this film, loading it up on to my laptop, and every last one of this film's sixty-sixty minutes kept me riveted. Bear with me. The fi...