"Horagai (法螺貝) (or jinkai (陣貝) ) are large conch shells, usually from Charonia tritonis, that have been used as trumpets in Japan for many centuries. The instrument, which has served a number of purposes throughout Japanese history, has been given a number of Japanese names depending on its function. Special schools still teach students to play the traditional music associated with the conch." - (Wikipedia (en) 12.04.2020)
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