Sergei Eisenstein - Romance Sentimentale (1930)

One of the landmark films in the development of avant garde cinema, ostensibly in the same Surrealist vein as Clair's "Entr'Acte," Cocteau's "Blood of a Poet" and Bunuel's "Un Chien Andalou" though with touches uniquely Eisenstein's. "Romance Sentimentale" set the stage for further experimentalist efforts, including the formal use of nature and contrapuntal sound. Interestingly, it was Eisenstein's only privately commissioned work, produced for the husband of the woman it features.