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.
1939
1976
1948
1944
1977
1942
1967
1965
1968
1987
1993
1920
1945
1978
1980
1961
1992
1928