The title song "I can't forget" is based on the inner feelings of Zhou Ying, the central figure in the play, with Sun Li, the actor of Zhou Ying, singing with all his heart, Han Hong, a famous musician, personally composing the music, and together with the lyricist Zhang Yue * * *, creating this touching song with great sadness.

The song describes a love story that makes people sigh and sigh with a blend of scenes. The artistic conception is beautiful, the emotion is full, the melody is catchy, and the affectionate confession expresses the protagonist Zhou Ying's memory and persistence in love.