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.
1979
1968
1978
1972
1958
1898
1974
1967
2010
1966
1970
1976
1982
1985
1973
1965
1950
2014
1996
1955