An inventor labors on a horn to directly communicate emotions in an all-powerful way, while he's building violins in a factory. A scientist begged the company owner to let the inventor use his factory. The shop foreman, a failed pianist, is jealous of the respect the owner feels for the inventor's dedication and idealism. The foreman connives to sabotage the inventor's masterwork.
https://www.imdb.com/title/tt0717068/plotsummary?ref_=tt_ov_pl
This video is in the Public Domain.
