歌唱是对人类内心世界进行表达的艺术。在声乐演唱过程中,作曲家的音乐创作不可肆意改变,歌者原则上必须充分尊重曲谱,并按曲谱的要求进行准确演唱。但在音乐表演过程中,这种准确的要求并非绝对,音乐乐谱也具有自身表达的局限性,即乐谱只是能准确的记录音乐的基本存在形态而不能完全从微观、感性的角度记录作曲家所要表现的全部信息。所以,在准确表现乐谱的同时,歌者是可以在相对的范围空间内对乐谱进行一定的发挥。比如力度的强弱、音符时值的多少、 Singing is the art of expressing the inner world of humanity. During vocal singing, the composer’s music creation can not be changed indiscriminately. In principle, the singer must fully respect the music score and perform accurate singing according to the requirements of the music score. However, in the process of music performance, the exact requirement is not absolute. The music score also has its own limitation. That is, the score can only accurately record the basic existence of music and can not record the composer’s needs from the microscopic and perceptual perspectives Full performance information. Therefore, while accurately displaying the music score, the singer can play the music score in a relative range of space. For example, the intensity of strength, how many notes when the value,