2009 COSMOS HALL JOINT CONCERTO, Sep.27 MR. KAZUAKI-BIG NISHIMURA. PIANO 2009, Sep.27COSMOS HALL JOINT CONCERTO kazuaki NISHIMURA & hiroyuki OHYAMA PIANIST, Mr. KAZUAKI -BIG NISHIMURA. The Official Web Page. COSMOS HALL JOINT CONCERTOkazuaki NISHIMURA & hiroyuki OHYAMA 2009, Sep.27 Dr. HIROYUKI OHYAMA, Ph.D. Guitar 2009 COSMOS HALL JOINT CONCERTO, sep.27