Vietnam Traditional Instruments
The Dan Nhi is popular among several ethnic groups in Vietnam. It is also referred to as Dan Co in southern provinces of Viet Nam.
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Dan Nguyet – Two-String Guitar
The Southerners of Vietnam refer to this instrument as Dan Kim. Dan Nguyet has two strings and the resonator resembles the moon, that is probably why it is named Dan Nguyet, which means moon lute.
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16-string zither (Dan Tranh)
The Dan Tranh is also known as Dan Thap Luc or sixteen-stringed zither. Its shape resembles a bamboo tube that has been sliced vertically in half.
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Dan Tam Three-string Lute
This three-stringed lute is used by several ethnic groups in Vietnam. The Viet call it Dan Tam, whereas the Ha Nhi call it Ta in. This instrument exists in three sizes: large, medium, and small. The small is the most popular.
Bamboo Flute (Sao truc)
Sao truc, the bamboo flute, is made from a stem of fine bamboo pierced with finger holes.
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T’rung
T’rung is one of the popular musical instruments closely associated with the spiritual life of the Bahnar, TSedan, Giarai, Ede and other ethnic minority groups in the Central Highlands of Vietnam.
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Dan Tam Thap Luc
The Tam Thap Luc is a sort of zither with thirty-six brass strings as it is called. It has the shape of an isosceles trapezoid, with a slightly convex sound board made of light, porous, unvarnished wood.
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Trong Com – Rice Drum
The Trong Com (rice drum) gets its name from the practice of placing a pinch of hot steamed rice in the middle of the drum skin to “tune” the instrument.

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Cong Chieng
The Cong Chieng is a kind of musical instrument casted from mixed copper and belongs to the idiophonic family. In Vietnamese language, the word “Cong” points to a musical instrument with a bossed part in center (bossed gong) and “Chieng” without it (flat gong).
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Gong Zither
The gong zither is a stringed musical instrument of flipping branch. It is popular among some ethnicities in the North of the Central Highlands such as Bana, Gia Rai, Xe Dang, Ro Ngao, Je Trieng.
The Klong put
The Klongput is the Xe Dang language name of a musical instrument of the wind family, air driving-in branch.
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Lithophone
The Dan da (lithophone) is a set of stone slabs of different sizes and shapes fabricated through an elementary technique. Lithophone is composed of a set of eleven resonant stones.
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Source:http://www.vietnam-culture.com/zones-11-1/Traditional-Instruments.aspx