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