ミュンヘン国際音楽コンクール
In 1973 he was a jury member at the ARD International Music Competition in Munich, along with Heinrich Sutermeister (Switzerland), Günter Bialas (Federal Republic of Germany), Ulysse Delécluse (France), David Glazer (United States), Robert Gugolz (Switzerland), Rudolf Jettel (Austria), Jost Michaels (Federal Republic of Germany), Gerd Starke (Federal Republic of Germany).