{Welcome to Beijing} What are the names of all the actors who sing only one song?

The list of singers of the theme song "Welcome to Beijing" in the countdown to the 2008 Beijing Olympic Games 100: Alan Tam, Jackie Chan, Ceng Zhiwei, Nicholas Tse, Jolin Tsai, Richie Jen, Jeff Chang Shin-Che Shen Che, Stephanie, Cyndi Wang, Angela Zhang, Yang Chenglin, Wang Leehom, Guangliang, Fei Yuqing, S.H.E, TWINS, 5566, Fahrenheit. Sammi Cheng, Kelly Chen, Liang Yongqi, Xu Zhian, Wei Lan, Yong Er, Ce Tian, Fang Lishen, Xue Kaiqi, He Yunshi, Wu Yufei, Deng Lixin, Yang Aijin, Fu Ying, Zhang Jingxuan, Lin Feng, Chen Baiyu, Hong Zhuoli, Guan Zhibin, Wu Haokang, Fang Datong, Zheng Zhongji, Xie Anqi, Zheng Xinyi, Eric. Yan Weiwen, Dai Yuqiang, Wang Xia, Li Shuangsong, Liao Changyong, Lin Yilun, Han Lei, Bi Dawulan, Guo Meimei, ChristianRandPhillips, Tang Can, Lin Chi-ling, Zhang Zilin, Zhang Liangying, Chen Chusheng, Zhang Jie, Chen Wei, Xing Xing, Yang Kun, Fan Weiqi, You Hongming, Pan Weibai, Lin Junjie, Luo Zhixiang, Zhou Xiaoou, etc. , Liu Genghong, Tengger singer singer, Fu Lishan, Huang Zheng, Fang Zuming, Du Yue, Duan Liyang, CCTV Galaxy Youth TV Art Troupe, all the hosts of CCTV famous programs, and mainland stars (Zray, Andy, Li Kaiyue, Ji Jiaxi, Xue, Liu Zizi, Huo Jingting, Dai Lu, Qu Zhi, Guo Haowei, Tu Hua, Gao Wen.