Classical Opera or Tuong

Tuong, also called hat boi in the south, is a stage performance that came about during the Ly-Tran dynasties and that became very popular nationwide during the following centuries. 
During the Nguyen dynasty, 19th century, tuong occupied a good position in the cultural lives of the royals. In tuong, space and time are captured by songs, dancing, and simple music. In the past, tuong did not require any elaborate stage accessories; now, however backdrops and make-up are more elaborate and sophisticated

Source: https://vietnamtourism.com/