"Or the Tuvan throat singers," he said, referring to an ensemble from Siberia.

Exotic-sounding "throat singers" are to be accompanied by music played on reindeer-skin drums, whistles and flutes.

The idea of tradition is also brought up frequently, especially in the case of the throat singers.

This is the voice that throat singers use when not using khomeii, kargyraa, or any other harmonic-inducing style.

Should the orchestra perform Jamaican folk music or present throat singers from Tuva?

A single throat singer produces the two, occasionally three, sounds.

Mr. Chash is a throat singer who can produce two notes at once, a deep bass note and its clear, high overtones.

And it is very special because a throat singer can sing two or more notes at the same time.

For many centuries only men were allowed to be throat singers.

But now women are throat singers too.