Sound Man: WWII to MP3

One man changed history. One machine, created by the Nazis, helped him do it. One film tells the story of how the world of music was changed forever.One man changed history. One machine, created by the Nazis, helped him do it. One film tells the story of how the world of music was changed forever.One man changed history. One machine, created by the Nazis, helped him do it. One film tells the story of how the world of music was changed forever.