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