This situation is similar to that of many grandmothers who dance square dance. Because of the pressure of life, you can relax at night. With high power, you can be more emotional when you sing. At the same time, you want to infect more people with this song Of course, if there is a phenomenon of disturbing the people, it is not very good. Personally, if it is high power, it will inevitably interfere with other people who are resting and entertaining in the park. This is actually not very good.