Ca trù
Ca trù (Vietnamese: [kaː ʈû], 歌籌, "tally card songs"), also known as hát ả đào, is a Vietnamese genre of musical storytelling performed by a featuring female vocalist, with origins in northern Vietnam. For much of its history, it was associated with a pansori-like form of entertainment that encompassed entertaining the wealthy and the royal court, as well as with ceremonies involving the performance of religious songs.