1994.

1. According to QQ Music query, "Moist Heart" is a song included in the album of the same name "Moist Heart", sung by Gan Ping, written by Li Guangping, composed by Lan Zhai, and released on January 1, 1994.

2. Excerpts from the lyrics: What makes my eyes wet, so that I can’t see your retreating back clearly? What makes my mood cold, so that I can’t hold on to your former warmth.