"Hat then" are religious epics of Long Poems, performed by the highland Tay and Nung minority groups. Those songs tell the story of the path to paradise to ask the Jade Emperor to settle troubles for the head of household.
"Hat then" performances are important ceremonial events, which unite the entire community.
Long Poems consist of several chapters with different content lengths. A show usually involves two or three groups of singers, plus musicians. The epics last for hours and are devided into short and long chapters, which are often repetitive. Anyone planning to sit through a "hat then" ritual had best get comfortable; the longest epic contains 35 chapters and 4,949 lines.