SOUNDS OF EAST ASIA: The group IIIZ+ (Three Zee Plus) performed for an audience inside the Mansfield Freeman Center for East Asian Studies Oct. 11. From left to right are Ryuko Mizutani playing a Japanese koto; Yi-Chieh Lai, playing a Chinese zheng; Il-Ryun Chung playing Korean percussion; and Jocelyn Collette Clark '92 playing a Korean kayagum. Combining these instruments is not traditional in East Asia. Clark, who majored in East Asian studies, says the ensemble relies on collaborations with contemporary composers in order to build its repertoire. At left, Vera Schwarz, director of the Mansfield Freeman Center for East Asian…