^David Lan Pham Two Hamlets in Nam Bo: Memoirs of Life in Vietnam Through Japanese ... Page 98 2008 "Phạm Duy, Lam Phương, Hoàng Thị Thơ, Văn Phụng were the most well known composers at that time."
^Adelaida Reyes Songs of the Caged, Songs of the Free: Music and the Vietnamese Refugee Experience. 1999 Page 124 "The local in this case has global implications. Many of Vietnam's most famous musicians now reside in Orange County. The presence of Pham Duy, Thai Thanh, Hoang Oanh, Hoang Thi Tho, Viet Hung, Duy Khanh, Khanh Ly, and Kim Tuyen, among others — luminaries in the Vietnamese musical firmament by the time they left Vietnam — has led overseas."