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