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In page Isobel Buchanan:

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In 1978, she sang Micaela in Carmen at the Vienna State Opera, conducted by Carlos Kleiber with Plácido Domingo as Don José and Elena Obraztsova as Carmen, in a production by Franco Zeffirelli. (She had sung Michaela in Sydney.) She continued adding to her repertoire with Sophie in Massenet's Werther and a Flower Maiden in Wagner's Parsifal at the Royal Opera House in 1979.[citation needed]