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.
1973
1963
1953
1990
1989
1969
1955
1972
1961
1971
1927
1968
1925
1974
1958
1934
1937
1936