Phạm Tuyên (Hải Dương, January 12, 1930 - ) is a very well known Vietnamese musician. He is the author of many popular socialist songs, for example Như có Bác Hồ trong ngày vui đại thắng (As if there were Uncle Hồ in the great-victory happy day) and Đảng đã cho ta mùa xuân (The Communist party have given us the spring).
http://en.wikipedia.org/wiki/Pham_Tuyen