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