"In Vietnamese musical culture, the song lang is a percussion instrument used in modern folk opera cai luong. The idea is that its rhythms not only guide the opera, but also the musician, down a moral path in life. The words literally translate to 'two men.'" [Hollywood Reporter]

Stunning visually.
My only complaint is the captions. As is often the case, font is too small and generally hard to read, Doesn't detract too much, though.