 Chosei Komatsu has collaborated with numerous international solo artists, such as violinists Joshua Bell, James Ehnes, Hilary Hahn, Cho-Liang Lin, Midori Goto, Gil Shaham; cellist Jian Wang; and pianists Leon Fleisher, Lang Lang, Roger Wright, Jeffrey Kahane, Ikuyo Kamiya, Yu Kosuge, and Michie Koyama.In 2005, Chosei Komatsu led Orquesta Sinfónica Nacional de Costa Rica on tour in Japan, in celebration of the 70th Anniversary of diplomatic relations between those two countries.As part of the Japanese government’s official cultural outreach program, Central Aichi Symphony Orchestra was selected to tour China with Mtro.