1. "A Long Song"

Sung by Tengger, the music is composed by Cheng Dazhao, and the lyrics are written by Gao Jianmin and Qian Yanqiu. This song is the theme song of the TV series "Detective Detective Dee" and was also used as the soundtrack in "Detective Detective Dee".

2. "My Heart Is Like Fire"

The opening theme of "Detective Di Renjie: The Case of the Golden Man" was written by Qi Yao and Hai Lei, and composed and sung by Jian Hongyi.

3. "Flowers Dance with Two Butterflies"

The interlude of "Detective Dee Renjie Part 4", sung by singer and actor Lin Shuang. Extended information

Songs of "Young Detective Di Renjie":

1. "Missing Beauty"

A TV drama episode sung by Sun Xiaoxiao and Qiu Shuang, with lyrics written by Wang Yunyun , composed by Liu Jia.

2. "Listen to the Howling Wind"

The opening song of "Young Detective Di Renjie" was written by Guo Deziyi, composed by Aaliyah, and sung by Bosco Bosco.

3. "Along with You to the End of the World"

The ending theme of "Young Detective Di Renjie" is sung by Qi Wei, lyrics written by Lin Qiuli, and composed by Zhang Jing.

4. "Falling Flowers"

A song written by Yanzi and Zhang Xu, arranged by Han Jun, and sung by Ma Tianyu, which is included in the album "Beyond the World". It is an episode of the TV series "Young Detective Di Renjie".