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,
Musical Instrument Museum (Volgograd) more. During his lifetime, Evgeny Nikolayevich was often called "doctor of music". Once he gave a rare instrument "Gavioli" — a mixture of harmonium and Ariston, and the harmony, the flute master could have restored himself, while having no prior instruction or experience of playing the instrument. It was also said that Pushkin could restore a unique instrument from the chips. He both repaired and modified instruments. His excellence and expertise with musical instruments is such that he in order not to wake his home, made a device that helped gently cover the strings to mute the sounds. In 1986,