A Tibetan opera performance is immediately recognizable by its masks. Characters wear brightly colored masks assigned by role and moral type rather than by individual identity, worn by a chorus who comment on and respond to the unfolding action much as a Greek chorus does, framing the central narrated and acted story rather than driving it directly. The repertoire is built from a relatively small set of classic works retold across generations, among them the stories of Princess Wencheng, Prince Norsang, and the brothers Donyo and Dondrub, all structured, in UNESCO's own description of the form, as moral narratives in which good is ultimately rewarded and wrongdoing punished. The material draws on Buddhist folk tale and Tibetan historical legend rather than on tantric ritual practice, staged for public, communal viewing rather than restricted to initiates.
Historically, permanent amateur troupes were maintained in Tibet's major districts and performed at set points through the year, most prominently at Losar, the Tibetan new year, and at the Shoton festival, sometimes called the yogurt festival, when troupes would travel to perform before wider audiences gathered for the occasion. UNESCO inscribed Tibetan opera on its Representative List of the Intangible Cultural Heritage of Humanity in 2009, describing it as combining several distinct performing traditions, narration, chant, dance and acrobatics, within a single continuous theatrical event, and noting its role in transmitting moral and historical narrative across generations of Tibetan communities. The listing sits alongside other UNESCO inscribed traditions covered here, Ta'ziyeh, Ramlila, Kutiyattam and the Mystery Play of Elche among them, each a case of a living devotional or narrative performance tradition formally recognized as heritage worth safeguarding.