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