…Vertov’s radical experimentation did not begin and end with Man With a Movie Camera or his other avant-garde documentaries and animations. (Find eight of Vertov’s films here.) Once a psychology student in Petrograd, the future filmmaker started his artistic career as a writer of futurist poetry and science fiction. Entranced by emerging recording technology and committed to disrupting traditional forms, in 1916 Vertov began, writes Monoskop, “experimenting with the perception and arrangement of sound.” He created “sound poems,” and produced “verbal montage structures.” Of his audio art, Vertov remarked, “I had an idea about the need to enlarge our ability for organized hearing. Not limiting this ability to the boundaries of usual music. I decided to include the entire audible world into the concept of ‘Hearing.’”…

[audio: http://ubumexico.centro.org.mx/sound/russian_avant/02_dziga_vertov_-_enthusiasm!_the_dombass_symphony_soundtrack_excerpts_1930.mp3]
Complete article: “Hear Dziga Vertov’s Revolutionary Experiments in Sound: From His Radio Broadcasts to His First Sound Film”, Open Culture.