Singer Xu Wei performs during a concert promoting his new album "At The Moment" at Forbidden City Concert Hall in Beijing, capital of China, Dec. 12, 2012. (Xinhua/Zheng Huansong)

Singer Xu Wei performs during a concert promoting his new album "At The Moment" at Forbidden City Concert Hall in Beijing, capital of China, Dec. 12, 2012. (Xinhua/Zheng Huansong)

Singer Xu Wei performs during a concert promoting his new album "At The Moment" at Forbidden City Concert Hall in Beijing, capital of China, Dec. 12, 2012. (Xinhua/Zheng Huansong)

Singer Xu Wei performs during a concert promoting his new album "At The Moment" at Forbidden City Concert Hall in Beijing, capital of China, Dec. 12, 2012. (Xinhua/Zheng Huansong)