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,
Doli (musical instrument) Doli (musical instrument) The doli is played across Georgia in the Caucasus. The body consists of a hollow wooden cylinder covered with leather tightly attached to it with iron rings. It is played by palms and fingers, under or over the arm, while sitting or dancing. It is struck in the center to get the forte effect and at the edges to get a piano effect. The doli’s height and diameter of the body and head is about 3 to 1. It is mostly men who play the doli. In performance, the doli creates the rhythm of the dance. The