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.
1965
1943
1981
1961
1948
1992
1964
1973
1971
1972
1985
1947
1938
1963
1977
1967
1945