为什么小耗子离开合唱团就能唱好了呢？听了这个故事，小朋友不要再为有人说你这不行那不行而苦恼了，做自信的，独一无二的自己吧！

Why can the little mouse sing well after leaving the choir? After listening to this story, children, stop worrying about someone saying that you can't do this or that. Believe in yourself!