Nó được hình thành và phát triển ở vùng văn hóa Kinh Bắc xưa, đặc biệt là khu vực ranh giới hai tỉnh Bắc Giang và Bắc Ninh ngày nay được ngăn cách bởi sông Cầu là "dòng sông quan họ".
It was conceived and developed in the region of ancient Beijing culture, especially border provinces of BAC Ninh and BAC Giang today are separated by the river is "the River with their".
It was formed and developed in the old Beijing culture, especially the boundaries of the two regions and Bac Ninh, Bac Giang province today are separated by the Iron River "of their river."
The formation and development of it in the north region of ancient culture, especially the regional boundary and Bac Ninh province was prevented by "two days of Beijiang River is River Bridge they".