Dang Huong Giang, the youngest member of the Vietnamese art troupe at the event, assembles a bamboo xylophone.

Giang is working as part of the Air Force and Air Defence’s art troupe.

Dr. People’s Artist Nguyen Xuan Bac prepares to assemble a lithophone.

The lithophone consists of 16 pieces of rock weighting from 1 to 7 kg.

The pieces of rock are placed onto a firm frame

They are struck to produce musical notes.

Nguyen Xuan Bac tests the lithophone.

Nguyen Xuan Bac was the mentor of Dang Huong Giang when she was a student at the Military University of Culture and Arts.

A bamboo flute instrumentalist joins the duo to practice performing.