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.
1978
1945
1966
1974
1983
1942
1969
2001
1947
1962
1971
1950
1953
1977
1972
1930
1934
1965