There is no self, only the original song of the main song.

The original singer was Yue Se Heasman. According to the music of Netease Cloud, it is known that the original singer of the title song of "337" is Yue Se Heasman. Yue Se Heasman is a representative figure of Christians in Paris, France. Yue Se Heasman's hymn "Song of Egocentrism" is a classic poem praising the Lord, and is known as "the masterpiece of French hymns".