50 Bai hat thieu nhi hay nhat the ky 20, do Bao thieu nien tien phong, Hoi nhac si Viet Nam Ban Khoa hoc giao duc VTV, Ban Am nhac dai tieng noi Viet Nam to chuc
50 childrens songs of the century 20, the TNTP newspaper, Viet Nam Musicians Society Board of Education, Science VTV, Music Voice of Viet Nam organized