Musical fairy tales, that is, children's musicals, are dramas that serve children. In addition to the general characteristics of drama, children's dramas must also adapt to children's unique tastes, psychological states, understanding of things, and ways of thinking. . Song is an art form that combines lyrics and music score, and it is also a form of expression. The singing methods are divided into one person singing solo, multiple people singing together, multiple people singing in duet, duet, joint singing, lead singing, unison singing or chorus.