By Zhou ritual the Son of Heaven used eight rows of dancers, a total of sixty-four.
Tips
history
Not used in modern Chinese except in the classical phrase 八佾 (eight rows of dancers), famous from a chapter of the Analects. Each 佾 is one rank of dancers; rank count signaled rank of nobility.
culture
Confucius condemned the Ji clan for using eight rows — a privilege reserved for the king — calling it a grave breach of ritual order.