In layman’s terms (exhausting one’s soul), good music must arouse people’s cries, have emotions and connotations, and must be embedded in life. Just thinking about it cannot do it, it must be sad. , he has never experienced it, he can only go deep into society and feel the sorrow of others. As time goes by, his love works become sad to the point where he becomes low, and he is equally happy and happy, etc. Who can continue to experience these and still be alive and well without being affected, the heart will become brittle and old?