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