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
1954
1980
1926
1956
1963
1970
1964
1949
1943
1935
1941
1966
1958
1965
1991
1961
1967