1. "Happiness" is a pure music song composed, arranged and performed by Hu Weili. This song is included in the album "Hu Weili Film and Television Music Original Music Series Belt Honglang", released on January 1, 1991.

2. "Headache" is a pure music song composed, arranged and performed by Hu Weili. This song is included in the album "Hu Weili Film and Television Music Original Music Series Belt Honglang", released on January 1, 1991.

3. "Loss 2" is a pure music song composed, arranged and performed by Hu Weili. This song is included in the album "Hu Weili Film and Television Music Original Music Series Belt Honglang", released on January 1, 1991.

4. "Run" is a pure music song composed by Hu Weili, arranged by Hu Weili, and performed by Hu Weili. This song is included in the album "Hu Weili Film and Television Music Original Music Series Belt Honglang", released on January 1, 1991.

5. "Passing Away" is a pure music song composed by Hu Weili, arranged by Hu Weili, and performed by Hu Weili. This song is included in the album "Hu Weili Film and Television Music Original Music Series Belt Honglang", released on January 1, 1991.

6. "Ben 2" is a pure music song composed, arranged and performed by Hu Weili. This song is included in the album "Hu Weili Film and Television Music Original Music Series Belt Honglang", released on January 1, 1991.