Tibetan horn
The Tibetan horn or dungchen (Tibetan: དུང་ཆེན།, Wylie: dung chen, ZWPY: tungqên, literally "big conch," also called rag dung (རག་དུང་, literally "brass horn"; Mongolian: hiidiin buree (хийдийн бүрээ, literally "monastery horn"); Chinese: 筒欽; pinyin: tǒng qīn) is a long trumpet or horn used in Tibetan Buddhist and Mongolian buddhist ceremonies. It is the most widely used instrument in Tibetan Buddhist culture.