1. "Wow" (?) is the most famous song of Korean singer Lee Jung-hyun. It was written and composed by Choi Junrong. He has won first place in SBS, MBC, KBS, and M-net music programs many times. In this song, Lee Jung-hyun sometimes transforms into a Chinese ghost, sometimes an astronaut, and the variety of looks is dizzying.

2. "Swap" (?) is a song written and composed by Choi Junrong and sung by Korean singer Lee Jung-hyun. The song is included in the album "Let's gO to My Star" released on October 9, 1999.

3. "Crazy" (?) is a song by Korean singer Lee Jung Hyun. It comes from the third album "Magic to go to my star" released on October 10, 2001. It is composed by the famous musician Yoon Created by Il Sang (Yin Rishang) and covered by Taiwanese female singer Xu Huixin as "Ballet of Loneliness".

4. "v" is an electronic House Pop song. Li Zhenxian personally participated in the production, and the lyrics were filled in by herself; the composers of "Half", PJ and YUTA, jointly composed the song, and iki participated in the arrangement. In addition, PARKing CHAnce, a group composed of famous directors Park Chan-wook and Park Chan-kyung, participated in the filming of this MV.

5. "10 Minutes" is a song written and composed by Maybee and sung by Lee Hyori. It is included in Lee Hyori's album "Stylish" released in 2003.