1. The soundtrack of the fourth season of "Longing for Life" is the song eternal by French independent music producer Beauvois. Beauvois is an independent music producer from France.

2. Each of his songs represents a sensory and emotional stage in life. The rhythm of his song is so beautiful that it makes the whole body feel comfortable. It is most suitable to be paired with guitar and piano. In addition, Beauvois's finger snaps at the right places add a lot of color to the song.