January 1990
25th January 1990
Young Musicians Symphony Orchestra with Yehudi Menuhin, Joji Hattori and Sarah Ewins, The South Bank Centre, London, UK
Prokofiev, Bach, Brahms
April 1990
15th April 1990
Scheverningen International Music Competition, Violin 1990, Second Prize, Circustheater, Scheverningen, Niederlande
December 1990
7th December 1990
5. Wiener Mozartfest, Wiener KammerOrchester with Joji Hattori (violin), conducted by Yehudi Menuhin, Großer Saal, Konzerthaus, Vienna, Austria
Mozart, Beethoven
12th December 1990
Joji Hattori and Jean Louis Steuerman, Schubert Saal, Konzerthaus, Vienna, Austria
Bach, Beethoven, Bartók, Brahms