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,
Kombu (instrument) Kombu (instrument) The Kombu (Tamil:கொம்பு) or Kompu also known as the Kombu Pattu is a wind instrument (a kind of Natural Horn) in Tamil nadu and Kerala. Usually played along with Panchavadyam, Pandi Melam, Panchari melam etc. This musical instrument is usually seen in south India. The instrument is like a long horn ("Kombu" in Tamil language). In ancient days "kombu" played during war along with Murasu. Listed one of the Musical instruments used by ancient Tamil people out in Tirumurai dated 6th to 11th century, Sangam Period. வெல் படைத் தறுகண் வெஞ்சொல் வேட்டுவர் கூட்டம் தோறும் சில்லரித் துடியும் கொம்பும் சிறு கண்