Lichtspiel Opus I (1921) - Walther Ruttmann
Why the open web links it
An early experimental sound and light performance by Walther Ruttmann, accompanied by Max Butting's score.
Linked by 15 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including ulisboa.pt, hyperallergic.com, boilerroom.tv, avanca.org, campostrilnick.org.