The Sound of Sheng Never Stops

The passage of time, the changing of times. The time to write a period can be very short or very long. Is the period a circle? Does it represent the end or the beginning? When is it the end and when is it the beginning? Are the times moving forward or turning backwards? Does the past really only stay in the past? Is the future really impossible to predict? On a stage named by time, a group of strange ordinary people gathered together to solve such a puzzle.