Usually in a music class that focuses on review, we often see this scene: the teacher walks into the classroom and announces that today we will review the songs we have learned earlier, and asks the students to memorize and sing the songs. In fact, students who can’t remember a few sentences can occasionally read and sing. So, the teacher opened the music book and played the piano, and the students sang along with the music one after another as the teacher wished. You can imagine what happened next: after two or three songs were sung, some students took a rest by themselves; some students chatted with each other; and some students started doing things unrelated to the lesson; New course standards It is pointed out that at the primary school level, each person must memorize 3---6 songs per school year.