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