1. Assess the musical foundation: The sound-based audition is to assess the musical foundation and intonation ability of candidates. By means of accompaniment, the examinee's mastery of basic musical elements such as pitch, interval and rhythm can be better tested.
2. Investigation of comprehensive ability: The sound-based audition is not only a requirement for sound, but also an investigation of the examinee's musical expression ability, emotional expression ability and overall understanding of musical works. Backchorus can provide a better musical background and help candidates to show themselves better.
3. Simulate the actual singing situation: In music performance, accompaniment or band cooperation is needed in many cases. Adding accompaniment to the sound-based audition can simulate the actual singing situation and examine the cooperation ability and stage expression of candidates and accompaniment. Therefore, the sound base audition of China Conservatory of Music has a backup singer.