Opera 12

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