(BGO) – Among 49 old villages of Quan Ho singing in the north and south banks of the Cau river, five of which are located in Bac Giang province including villages of Huu Nghi, Gia Son, Noi Ninh, Mai Vu (Ninh Son commune) and Sen Ho (Nenh town). Since the Love Duet folk singing was recognized as world’s intangible cultural heritage in 2009 by UNESCO, Quan Ho singing movement has been spread out locally, especially in Viet Yen district which helps contribute to the local various spirit life.