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