May 1967
Ballet du XXe Siècle du Théâtre Royal de la Monnaie, Opéra National de Belgique

April 1978
Ballet du XXe Siècle du Théâtre Royal de la Monnaie, Opéra National de Belgique

November 1989
Overseas Dispatches to Belgium, The Japanese Folk Dance Troupe «Minbunren»

November 1997
Georges Octors (Music Director of Walonia Chamber Orchestra), jury for the 11th Tokyo International Music Competition for Conducting