Watch America's Choir: The Story of the Mormon Tabernacle Choir (2004) : Full Movie Online Free Lee Groberg, the producer/director of PBS documentaries such as, "An American Prophet: The Story of Joseph Smith", and "Trail of Hope: The Story of the Mormon Trail", has turned his focus to the Mormon Tabernacle Choir. Walter Cronkite narrates, telling the fascinating story of the Choir's origins and history to the present day. Includes concert performances by the Choir.