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.
1999
1951
1987
1966
1975
1952
1981
1979
1977
1944
1973
1967
1971
1978
1972
1970
1997
1948