The music is played by the Hanoi Philharmonic Orchestra-Hanoi National Conservatory of Music. 
THe music is performed by using the Vietnamese instrumnet: T'Rung made out of bamboo. 
List of music in Vietnamese and English.
A great gift of charming music from Vietnam
The music is played by the Traditional Orchestra of Hanoi National Music Institute (Dan Nhac Dan Toc Nhac Vien Quoc Gia Hanoi Vietnam)
These CDS content many beautiful pieces of music played by the famous Vietnamese musicians using Vietnamese traditional musical instruments such as mono-cord (dan Bau,) moon shaped guitar (Dan Nguyet,) 16 string zither (Dan Tranh,) bamboo flute (sao truc,) T'rung, four stringed guitar(Dan Ty Ba,) Klongput, Two Tringed Guitar (Dan Nhi)
List of music in Vietnamese and English