Watch The Zen of Screaming for Free: How to Stream the Movie Online at 123Movies. . In the early '90s, a passionate and unrestrained movement of singers emerged from the underground that would test the extreme limits of the human voice. Heeding the call of the warriors of rock and metal for over 15 years, Melissa Cross developed a vocal training method that has since been embraced by these artists who value raw power and passion above everything in their performance. Her groundbreaking vocal technique can enhance range and increase endurance without sacrificing intensity and individuality. Combining solid voice technique and a groundbreaking vocal workout with tour-bus humor and backstage commentary, this DVD is as entertaining as it is informative. The Zen of Screaming is the first of it's kind a a must-have tool for the modern vocalist of all genres. —Loudmouth, Inc.