Quote:
"Much of the reputation [of Listen to the Prairies] appears to come from the final shots—a series of slow dissolves of a mixed chorus that continues singing Bach over panning shots of immense wheat fields and tiny grain elevators on a long horizon."
-- C. Rodney James

Source:
James, C. Rodney. Film as a National Art: NFB of Canada and the Film Board Idea. New York: Arno Press, 1977. 'Originally presented as the author's thesis, Ohio State University, 1968, under title: The National Film Board of Canada, Its Task of Communication'. (p. 112)