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,
Experimental musical instrument As the sun rose the "Sunlight Symphony" played in the reverberant space of the Roland Levinsky Building's open plan foyer. For her 2011 album Biophilia, Icelandic artist Björk developed an instrument based on a Tesla Coil and a second instrument described as a cross between a Gamelan and a Celesta, dubbed the "Gameleste." In 2013, a research team of McGill University came up with digital musical instruments made in the form of Musical Prostheses. In 2014, Andrei Remyannikov of Russia developed the RAV vast drum. Logos Foundation, STEIM, Sonoscopia (Porto) and iii (The Hague) are organisations that focus on the