Artisan Nong Van Sin is among very few Tay ethnic people in Lao Cai province understands well about ancient songs of Then singing

In December 2012 , the Ministry of Culture, Sports and Tourism added Then singing to the official national intangible cultural heritage list 

A Then singing club in Pheo village practices ancient Then songs

Tay people often organise Then singing ceremonies with the aim to drive away bad luck, pray for good crops and call back the soul of the death

Then singing is practised in many northern provinces, including Cao Bang, Bac Kan, Thai Nguyen, Lang Son, Ha Giang, Quang Ninh, Son La, Lai Chau, Lao Cai, Bac Giang and Yen Bai, and the Central Highlands province of Dak Lak

It is believed to be handed down from the God belonging to a mysterious world to which only “Ong Then” and “Ba Then” can contact

Performance instruments, costumes and accessories of Then singing