2004/11/17 Kyushu environmental psychology and physiology workshop at Oi laboratory
2004/09/01 at Soya misaki, Hokkaido(c)Keiji Kawai
2004/08/14 Playing cello at Family Festa, Fellow players meeting of Rakusei high school orchestra (c)Naoko Oi
2004/07/05 Mayer am Pfarrplatz (Grinzing, Vienna, Austria)にて (c)Naoko Oi