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