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
1976
1971
1959
1970
1964
1944
1921
2010
1954
1991
1992
1983
1951
1966
1941
1940
1980
1934