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Opera, OPERA experiment, List of opera genres, Ópera (Madrid Metro), Opera Australia, Yue opera, Metropolitan Opera, Russian opera, Outline of opera, Vlaamse Opera, Henan opera, Grand opera, Opera (web browser), Peking opera, Opera in German, Malmö Opera, Opera in Azerbaijan, History of the Opera web browser, French opera, Italian opera, Ballad opera, Sichuan opera, Opera Mini, Comic opera, Opera (company), Paris Opera, Opera News, Opéra comique, Opera seria, Lyric Opera of Chicago, Royal Swedish Opera, Teochew opera, Opera in Ukraine, Opera Cleveland, Washington National Opera, Opera Mobile, Opéra-ballet, My Opera, The Beggar's Opera, Detroit Opera, Opera Philadelphia, Opéra Bastille, Opera buffa, Opéra bouffe, Opéra d'Avignon, Israeli Opera, Wuxi opera, Chinese opera, Taiwanese opera, State Opera (Prague), List of major opera composers, Opera (disambiguation), Space opera, Silesian Opera, The Royal Opera, Royal Opera House, Rock opera, Opera in English, Huangmei opera, Cairo Opera House, Opéra National de Lyon, Chicago Civic Opera, San Francisco Opera, Opera house, List of opera festivals, Han opera, Liyuan opera, Dutch National Opera, National Opera of Ukraine, Florentine Opera, Baltic State Opera, Turkish State Opera and Ballet, New Zealand Opera, Opera Carolina, Greek National Opera, Gaojia opera, Sydney Opera House, Baltimore Opera Company, Suzhou opera, Funen Opera, The Little Prince (opera), Vienna State Opera, CO2 (opera), National Opera House, Savoy opera, Opéra de Marseille, Wellington City Opera, Revolutionary opera, Cologne Opera, Wu opera, Irish National Opera, Santa Fe Opera, Opéra-National, Opera Atelier, Opéra de Lyon, Soap opera, English National Opera, China National Opera, Charlottesville Opera, Hungarian State Opera House, Romanian National Opera, Timișoara, English Opera, Hanoi Opera House, Akhnaten (opera), Opera management, Koroghlu (opera), Private Opera, Gothenburg opera house, Opera America, Toulon Opera, List of opera houses and opera companies in Chicago, Nickel City Opera, Pacific Opera, L'Egisto (opera), Calgary Opera, Cantonese opera, Opera in New Orleans, Birutė (opera), Wrocław Opera, Yerevan Opera Theatre, Polish opera, NBC Opera Theatre, National Opera and Ballet of Bulgaria, Opera Saratoga, Romanian National Opera, Iași, Korean revolutionary opera, Den Jyske Opera, Opéra-Comique, Weiße Rose (opera), Florida Grand Opera, Opéra national de Lorraine, Opera Delaware, History of opera, Lithuanian Opera Company of Chicago, Opéra national de Montpellier, The Threepenny Opera, Los Angeles Opera, International Opera Awards, The Complete Opera Book, The Opera Quarterly, Romanian National Opera, Bucharest, Opera Soft, Western opera in Chinese, Opera Australia Orchestra, Horse opera, Space opera in Scientology, Opera Queensland, Origins of opera, List of opera houses, Glyndebourne Festival Opera, List of Russian opera singers