1971
The video documentary
New Music: Sounds and Voices from the Avant-Garde, New York 1971, directed by Hans G. Helms and produced by Michael Blackwood Productions, was originally filmed in 1971 and re-released in a 2011 DVD/video format.
The film provides valuable insight into the experimental music scene of early 1970s New York. It features interviews and performances by significant figures in the musical avant-garde, including John Cage, Philip Glass, Steve Reich, Morton Subotnick, and Max Neuhaus.
A clip featuring Max Neuhaus's Water Whistle (1971) is available to view on the Max Neuhaus estate website. The full documentary is available for streaming on platforms such as Vimeo on Demand and Prime Video