The Hanoi Ca Trù Thai Ha Ensemble

Traditional music is an umbrella term used in the mid–20th century by folklorists and ethnomusicologists to denote community-rooted, orally transmitted repertoires tied to social ritual, work, celebration, and storytelling. Unlike commercial pop or art-music traditions, traditional music is typically learned by ear, varies regionally, and evolves slowly through communal participation. It often features modal melodies, cyclic rhythms, heterophony or unison singing, and indigenous instruments whose timbres are integral to local identity. Lyrics tend to preserve language, history, and collective memory. While the musical practices themselves can be ancient, the phrase “traditional music” emerged to replace earlier, narrower or colonial framings like “folk” or “ethnic” music, foregrounding continuity, locality, and living practice rather than exoticism.

Ca trù is a refined Vietnamese art music of sung poetry that flourished among the literati and urban guilds of northern Vietnam. It is typically performed by a female vocalist (ca nương) accompanied by a đàn đáy (a long‑necked, three‑string lute), a set of bamboo clappers (phách) struck on a small wooden soundboard, and a ceremonial praise drum (trống chầu) played by a male adjudicator. Its musical language features flexible, breath‑driven phrasing, extensive melismatic ornamentation (nhấn, rung, luyến, láy), and modal intonation with subtle microtonal inflections. Rhythmic organization is articulated through phách cycles and responsive drumming cues rather than strict Western meter, producing an elastic sense of time that follows the prosody of classical Vietnamese poetry. Repertoire spans song types such as hát nói, mưỡu, thét nhạc, and ceremonial items for communal houses (hát cửa đình). In 2009, UNESCO recognized the “Practices related to the Vietnamese ca trù singing” as Intangible Cultural Heritage in Need of Urgent Safeguarding.