To pronounce correctly and sing mellowly are the basic demand for a singer and a basic means to express the song's implication and influence the audiences and listeners.

字正腔圆，是对演唱者唱好一首歌曲最基本的要求，同时也是演唱者将歌曲的内涵正确地表达出来，影响感染观众、听众的最基本手段。