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