Hangul 나각 Revised Romanization nagak | Hanja 螺角 McCune–Reischauer nagak | |
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The nagak (also called na, sora, or godong) is a large seashell played as a horn in Korean traditional music. It produces only a single tone and is used primarily in the military procession music called daechwita.
The shell is that of a very large sea snail, Charonia tritonis, sometimes known as "Triton's trumpet". This shell is also used as a musical instrument in several other nations.
References
Nagak Wikipedia(Text) CC BY-SA