Ethnic groups and the administration of the mountain province of Lang Son have effectively preserved folk singing genres such as Then and Luon singing of the Tay, and Sli singing of the Nung. The Association for the Preservation of Folk Singing of ethnic groups in Lang Son has organized activities to promote folk arts and nurture talents.

Photo: Then singing performance at a "Going to the field" festival.

https://vovworld.vn/en-US/colorful-vietnamvietnams-54-ethnic-groups/lang-son-provinces-ethnic-groups-preserve-folk-singing-812418.vov