The Tibetan horn, also called dungchen (Tibetan: དུང་ཆེན།, literally "big conch"), is a long trumpet or horn used during religious ceremonies in Tibetan and Mongolian Buddhist traditions. It is the most commonly used instrument in Tibetan Buddhist culture. The horn is often played together in groups, and its sound is compared to the singing of elephants. Tsultrim Allione described the sound:
