Generally located between the lip of the stage and the audience hall, it is mainly used for musical performances accompanied by bands. At the same time, it can achieve multiple functions through different stops. When the music pool lifting platform is level with the stage surface, it can be used as an extension of the front of the stage, bringing actors and audiences closer together; When parked on the ground of the audience hall, it can be used to increase the seating area in front of the audience.