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
1944
1927
1971
1972
1973
1985
1988
1943
1987
1991
1996
1942
1945
1920
1975
1968
1997