Experimental musical instrument including intonarumori ("intoners" or "noise machines"), to create "noises" for performance. Unfortunately, none of his original intonarumori survived World War II. Replicas are being made though. Léon Theremin was a Russian inventor, most famous for his invention of the theremin around 1919–1920, one of the first electronic musical instruments. The Ondes Martenot is another early example of an electronic musical instrument. The luthéal is a type of prepared piano created by George Cloetens in the late 1890s and used by Maurice Ravel in his "Tzigane" for luthéal and violin. The instrument can produce sounds like a guitar or a harmonica,
The Knickerbocker Buckaroo film under his contract with Paramount Pictures. After this production, he worked exclusively at United Artists, a company he co-founded in 1919 with Mary Pickford, Charles Chaplin, and D. W. Griffith. The Knickerbocker Buckaroo The Knickerbocker Buckaroo was a 1919 American silent Western/romantic comedy film directed by Albert Parker and starring Douglas Fairbanks, who also wrote (under the pseudonym Elton Thomas) and produced the film. "The Knickerbocker Buckaroo" is now considered lost. Fairbanks plays a hedonistic New York City aristocrat who tries to change his selfish ways by heading to Sonora, Texas to carry out a campaign of altruism. Along