 McMaster resigned in 1991 , having led the company to international status , with performances at La <unk> , Milan ; the Metropolitan Opera , New York ; and in Tokyo . One of the last legacies of his tenure was the 1992 production of Debussy 's <unk> et <unk> , directed by Peter Stein and conducted by Pierre Boulez . The New York Times called WNO " one of the finest operatic ensembles in Europe " and noted that the first night of the Debussy work , in Cardiff , " attracted 80 critics from all over the United Kingdom and the Continent ... the most prestigious , intensely awaited event of the British operatic season . " The production was given at the <unk> du <unk> , Paris , a few weeks afterwards . 
