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