An artist plays gu qin, a traditional Chinese instrument with seven strings, at the National Centre for the Performing Arts in Beijing, capital of China, Nov. 25, 2012. (Xinhua/Li Mangmang)

An artist plays gu qin, a traditional Chinese instrument with seven strings, at the National Centre for the Performing Arts in Beijing, capital of China, Nov. 25, 2012. (Xinhua/Li Mangmang)

An artist plays gu qin, a traditional Chinese instrument with seven strings, at the National Centre for the Performing Arts in Beijing, capital of China, Nov. 25, 2012. (Xinhua/Li Mangmang)

An artist plays gu qin, a traditional Chinese instrument with seven strings, at the National Centre for the Performing Arts in Beijing, capital of China, Nov. 25, 2012. (Xinhua/Li Mangmang)

An artist plays gu qin, a traditional Chinese instrument with seven strings, at the National Centre for the Performing Arts in Beijing, capital of China, Nov. 25, 2012. (Xinhua/Li Mangmang)

An artist plays gu qin, a traditional Chinese instrument with seven strings, at the National Centre for the Performing Arts in Beijing, capital of China, Nov. 25, 2012. (Xinhua/Li Mangmang)