In addition to actively exercising for the concert, Christine also has a headache for the concert guests. She said, "I will give you the best. Every guest is different and the content will be different. " When she comes to Shanghai for the first time, she will sing "1 to 10= you and me" with her black husband. The rap rap in the song was originally played by a hot dog, and the black people had to practice 1 month tongue-playing skills. He was so nervous that his legs were weak, and he practiced 30 times a day. From time to time, he moved and begged Christine: "Can you change a song?" This song is too difficult. "