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