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