Experimental musical instrument development of new instruments. Besides producing instruments themselves, these organisations also run active artist-in-residence programs and invite artists for developing new art works, workshops, and presentations. Yearly the Guthman Instrument Competition takes place at Georgia Tech. Experimental musical instrument An experimental musical instrument (or custom-made instrument) is a musical instrument that modifies or extends an existing instrument or class of instruments, or defines or creates a new class of instrument. Some are created through simple modifications, such as cracked drum cymbals or metal objects inserted between piano strings in a prepared piano. Some experimental instruments are created from household items
Ploy (musical instrument) Ploy (musical instrument) The ploy (Khmer: ព្លយ​​ខ្មែរ) is a Cambodian wind instrument. It is constructed of a gourd body with 5 to 7 bamboo tubes protruding from the body, and a bamboo pipe set at a right angle to the gourd. Musicians blow air in through the bamboo tube, which fills the gourd "wind chest" and exits through the other bamboo tubes. Each of the bamboo sound-tubes has a metal rod inside, that vibrate in the air passing through the tube. As well as blowing air out of the instrument, the musician can also suck air in, producing a different