Tuvan overtone singing:
Also known by the term Harmonic Singing, this is a special vocal technique originating in the Altai - Tuvan - Mongolian region, which allows the singer to produce more than one musical note at once. It is said to be a form of singing originating in shamanism. This being the region where shamanism is said to have begun at the time of the last Ice Age many thousands of years ago. People who perform this type of singing can manipulate sounds of animals and the environment.
To conclude sounds and music differ from culture to culture. …