Ca Trù is a traditional Vietnamese form of music that combines singing and instrumental accompaniment. It originated in the northern regions of Vietnam and is often performed in intimate settings, such as tea houses or private gatherings. The music features a unique vocal style, with singers using a range of techniques to convey emotions and tell stories. The performance typically includes instruments like the đàn đáy (a three-stringed lute) and the trống (drum). Ca Trù is recognized for its intricate melodies and poetic lyrics, reflecting the cultural heritage of Vietnam. In 2009, it was inscribed on the UNESCO Intangible Cultural Heritage list, highlighting its significance.