Watch The song nobody knows for Free: How to Stream the Movie Online at 123Movies. . In Rainer Kohlberger's latest short film "The song nobody knows" everything revolves around noises. Breathing, moaning, screaming and roaring are understood in the film as primal sounds of human articulation and presented as the opposite of smooth language. In the film, for example, several well-known characters from different films appear, whose faces are obviously fake.