a high level. The boy's falsetto A5 is a high level, which shows that the singer has mastered quite high skills and voice control ability, and can sing falsetto A5, which means that the singer has gone through long-term training and learning, and has a solid musical foundation and good musical literacy. In the field of vocal music, falsetto uses laryngeal muscle contraction to produce high notes, which is different from real voice color. Being able to sing falsetto A5 means that the singer has mastered quite high skills and voice control ability. This height usually needs long-term training and study to reach. Therefore, if a person can successfully use this skill and stably play such a sound quality, then he should have a relatively solid foundation and good musical literacy in vocal music. Therefore, although the male falsetto A5 is at a higher level.