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.
1967
1961
1958
1990
1980
1955
1976
1962
1950
1918
1953
1994
1983
1968
1945
1941
1979