No montage, no human subjects, minimal visual content, and the artists basically pissing on the fourth wall by calling attention in every way possible to the artifice of what they’re doing. Preserved by the Academy Film Archive in 2009.
1950
1991
1963
1945
1943
1981
1976
1962
1946
1951
1975
1968
1973
1948
1978
1944
1959