The Ozawa International Chamber Music Academy Okushiga (OICMA), directed by Seiji Ozawa and established with a founding grant and ongoing sponsorship from Lanxess KK, performed a concert on Aug. 1 at Hakuju Hall in Tokyo’s Shibuya-ku Ward. Established in 2011, OICMA’s mission is to train numerous stringed instrument performing artists by developing the talents of especially gifted young musicians from…