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