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,
Pepa (instrument) Pepa (instrument) The pepa is a hornpipe musical instrument that is used in traditional music in Assam, India. It is usually made with the horn of a buffalo. "Pepa" is a hornpipe which has been used during Bihu celebrations since ancient times. It was mostly blown by the Deori priests in olden times to imitate the music needed to summon Tian gods, much like the Shofar used by Jews. The Tibetans and ancient Chinese also used similar instruments named "Rwa-dun" for religious rituals. Later, it was used as a musical instrument for festive occasions like Bihu. As the buffalo population