Phạm Duy
Prolific Vietnamese songwriter (1921-2013) From Wikipedia, the free encyclopedia
Phạm Duy (5 October 1921 - 27 January 2013,[1] born Phạm Duy Cẩn) was a Vietnamese composer. He wrote more than 1,000 songs which he divided into different periods: Folk, Heart, Spiritual, Profane, and Children's Songs.

He, along with Van Cao and Trinh Cong Son, is often called one of the most important people in modern (non-classical) Vietnamese music.
Duy died in Ho Chi Minh City from liver and heart disease at the age of 91.
References
Wikiwand - on
Seamless Wikipedia browsing. On steroids.