1. "I Got Cold in That Corner" is the demo version of "Guardian Angel". The singer of this song is Hong Kong female singer Feng Xiyu. (This song is also the advertising song for BBK Music’s mobile phone), and the original singer of “Guardian Angel” is Deng Jianhong, from the album “Only Talking About Love, Not Saying Love”.

2. "Sorrow of Leaving People" is a song written, composed and sung by Li Yuanjie. It was released as a single on June 16, 2018. On November 29, 2018, the song Won the Top Ten Hot Singles Award at the 2018 Asian Music Festival.

3. "Your Answer" is a song written by Lin Chenyang and Liu Tao, composed by Liu Tao, arranged by Tan Kankan, produced by Liu Tao and sung by Ah Rong. It was released on November 1, 2019. In February 2020, Huang Xiaoyun sang the song in the third issue of Hunan Satellite TV's music competition program "The Year of the Singer".

4. "Crescent Bay" is a song sung by Feier Band. It was written by Xie Youhui and Yi Jiayang and composed by Ah Qin. It was included in the album "Love·" released by Feier Band on September 28, 2007. Diva". In 2008, the song won the Hong Kong and Taiwan Golden Song Award of the MusicRadio China TOP Ranking.

5. "Like a Fish" is a song written and composed by Zhou Youcai and sung by Wang Erlang. Released on December 11, 2018.