Yein  Yein () is a form of group dance native to Myanmar (Burma). This dance form features multiple dancers synchronously dancing and moving their heads, waists, feet, and hands to the beats of music, often performed by a traditional Burmese orchestra called hsaing waing or drums. "Yein" has historically been known by various terms, including "nat aka" (, lit. 'spirit dance') during the Tagaung era, "ka aka" () during the Myinsaing era, and "myewaing aka" (, lit. 'earth circle dance') during the Konbaung era.