Ara Berberian In 1963 he was promoted from the chorus to singing roles with the NYCO, beginning with Leandro in "The Love for Three Oranges" in April of that year. He sang several more roles with NYCO through 1967, including Collatinus in "The Rape of Lucretia", the Commandant in "Don Giovanni", the Major-Domo in "Capriccio", Osmin in Mozart's "Abduction from the Seraglio", and Tiresias in "Oedipus rex" among others. He later returned to the NYCO in 1977 to create the role of Gene Henderson in the world premiere in Leon Kirchner's "Lily". From 1965-1968 Berberian was committed to the San Francisco Opera,
Persian Letters texts and renewed perspectives. Particularly important were the extensively annotated edition by Paul Vernière and the research of Robert Shackleton on Muslim chronology; also studies by Roger Laufer, Pauline Kra and Roger Mercier, which put new focus on the work’s unity and integrated the seraglio into its overall meaning. Others who have followed have looked into the ramifications of epistolary form, the structure and meaning of the seraglio, Usbek’s contradictions. Beginning about 1970 it is religion (Kra) and especially politics (Ehrard, Goulemot, Benrekassa) which predominate in studies on "Lettres persanes", with a progressive return to the role of the seraglio