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