Musical instrument material composition, their size, etc. However, the most common academic method, Hornbostel-Sachs, uses the means by which they produce sound. The academic study of musical instruments is called organology. A musical instrument makes sounds. Once humans moved from making sounds with their bodies—for example, by clapping—to using objects to create music from sounds, musical instruments were born. Primitive instruments were probably designed to emulate natural sounds, and their purpose was ritual rather than entertainment. The concept of melody and the artistic pursuit of musical composition were unknown to early players of musical instruments. A player sounding a flute to signal
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