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
1977
1950
1955
1993
1945
1944
1976
1953
1972
1928
1968
1987
1969
1957
1986
1989
1920
1964
1978