Recorder (musical instrument) Recorder (musical instrument) The recorder is a woodwind musical instrument in the group known as "internal duct flutes"—flutes with a whistle mouthpiece. A recorder can be distinguished from other duct flutes by the presence of a thumb-hole for the upper hand and seven finger-holes: three for the upper hand and four for the lower. It is the most prominent duct flute in the western classical tradition. Recorders are made in different sizes with names and compasses roughly corresponding to different vocal ranges. The sizes most commonly in use today are the soprano (aka "descant", lowest note C), alto (aka "treble",
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