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