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
1972
1989
1955
1969
1974
1949
1968
1924
1961
1933
1930
1973
1959
1960
1932
2003