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