Sad songs: "Peach Blossom", "I Want It So Much", "You Must Be Happy", "Untainted", "Time Makes Rain".

1. "Peach Blossom Nuo" is written by Zhang Ying, composed by Luo Kun, arranged by Luo Kun and Xueran Chen, and produced by Zhang Ying and Xueran Chen. An ancient song sung by Deng Ziqi. The song was included in the soundtrack of the TV series "Ancient Love Song" as the ending theme of the TV series "Ancient Love Song" on May 27, 2017.

2. "I Want It So Much" is the interlude and ending song of the TV series "Love in the Rain". It was written by Qiong Yao and composed by You Jingyang. It is divided into two versions sung by Gu Juji and Zhao Wei. It is included In the album "Love is Deep and Rainy Music Complete Record" and Leo Ku's solo album "Love is Deep".

3. "You Must Be Happy" is a love song sung by mainland Chinese female singer He Jie. It was written by Tang Tian and composed by Wu Mengqi. It was used as the theme song of the TV series "Beautiful Decibel" in March 2006. Officially released on the 25th.

4. "Undyed" is the theme song of the TV series "Sweet Honey as Ashes as Frost", written by lyricists Hai Lei and Bai Lingying, composed by famous musician Jian Hongyi, arranged by Ding Peifeng, and singer Mao Not easy to sing.

5. "Time Cooks the Rain" is a slow ballad sung by Chinese pop singer Yu Kewei. It was written by Guo Jingming and Luoluo and arranged by Liu Dajiang. This song is the official promotional song for the movie "Tiny Times" directed by Guo Jingming and is included in the "Tiny Times Movie Soundtrack".