Throat-singing, a guttural style of singing or chanting, is one of the world's oldest forms of music. For those who think the human voice can produce only one note at a time, the resonant harmonies of throat-singing are surprising. In throat-singing, a singer can produce two or more notes simultaneously through specialized vocalization technique taking advantage of the throat's resonance characteristics. By precise movements of the lips, tongue, jaw, velum, and larynx, throat-singers produce unique harmonies using only their bodies.
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Overtone singing — also known as overtone chanting , harmonic singing , or throat singing — is a type of singing in which the singer manipulates the resonances or formants created as air travels from the lungs, past the vocal folds , and out of the lips to produce a melody. The harmonics fundamental and overtones of a sound wave made by the human voice can be selectively amplified by changing the shape of the resonant cavities of the mouth, larynx , and pharynx. Each note is like a rainbow of sound. When you shoot a light beam through a prism, you get a rainbow.
Tuvan throat singing
In Mongolian throat singing, the performer produces a fundamental pitch and—simultaneously—one or more pitches over that. Many male herders can throat sing, but women are beginning to practice the technique as well. The popularity of throat singing among Mongolians seems to have arisen as a result of geographic location and culture.