If it is a more formal chorus, the songs are red, classic and so on, it is recommended that the formation should be rigorous and standardized;
If it is an open-air, you can be a group of a group of people gathered separately on the stage in a key place;
If it is a performance of artistry is relatively strong, the formation need to change, you can take a batch on the stage, stand in places, and then plan the corresponding lyrics of the part of the singer needs to complete the action, specific reference to the Spring Festival Gala, "the same song" large-scale concerts, "heart to heart" series of programs, and so on.