Pianist Lang Lang (R) and singer Karen Mok greet the audience during a new year concert in Tianjin, north China, Dec. 30, 2012. Lang Lang held his new year concert here on Sunday with the cooperation of Hong Kong pop singer Karen Mok. (Xinhua/Wang Qingyan) 
Pianist Lang Lang (R) performs with a ballet dancer on stage during a new year concert in Tianjin, north China, Dec. 30, 2012. Lang Lang held his new year concert here on Sunday with the cooperation of Hong Kong pop singer Karen Mok. (Xinhua/Ma Cheng) 
Pianist Lang Lang (R) and singer Karen Mok perform during a new year concert in Tianjin, north China, Dec. 30, 2012. Lang Lang held his new year concert here on Sunday with the cooperation of Hong Kong pop singer Karen Mok. (Xinhua/Wang Qingyan)
Pianist Lang Lang interacts with the audience during a new year concert in Tianjin, north China, Dec. 30, 2012. Lang Lang held his new year concert here on Sunday with the cooperation of Hong Kong pop singer Karen Mok. (Xinhua/Ma Cheng) 
Pianist Lang Lang (R) performs with singer Karen Mok during a new year concert in Tianjin, north China, Dec. 30, 2012. Lang Lang held his new year concert here on Sunday with the cooperation of Hong Kong pop singer Karen Mok. (Xinhua/Ma Cheng) Pianist Lang Lang and Hong Kong singer Karen Mok held a new year concert in Tianjin, north China, Dec. 30.