Lonely people listen to sad songs. What song is it?

The elegy of a lonely man. According to the query of Cool Dog Music official website, the lyrics of "Lonely Man's Sad Song" are extracted: The heavy shackles that can't be untied slowly fall into a sad love-hate vortex, and lonely people listen to sad songs just to find happiness, and listen again and again that you will love me. The lonely man's sad song was originally sung by Long Meizi, composed by Zhang Peifeng and written by Song Zhao Pu.