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,
Lujon (musical instrument) Lujon (musical instrument) The lujon ( ) is a bass metallophone consisting of individually-pitched metal plates that are attached to the resonance chambers of a partitioned wooden box. The lujon was invented by William Loughborough. At his Sausalito, California studio, Loughborough created a variety of new percussion instruments, including the boobam and lujon, after working with Harry Partch in the mid-1950s. The lujon is played with soft mallets and produces a sound that is dominated by its fundamental frequency. The instrument is also known as a loo-jon or metal log drum. In a 2009 Web post, Loughborough provided the following