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,
Recorder (musical instrument) Marsyas of Greek mythology. An instrument consisting of two attached, parallel, end-blown flutes of differing length, dating to the 15th or 16th century, was found in poor condition near All Souls College in Oxford. The instrument has four holes finger-holes and a thumb hole for each hand. The pipes have an inverted conical "choke" bore (see Renaissance structure). Bob Marvin has estimated that the pipes played a fifth apart, at approximately C and G. The instrument is sui generis. Although the instrument's pipes have thumb holes, the lack of organological precedent makes classification of the instrument difficult. Marvin has used