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Opera, OPERA experiment, List of opera genres, Ópera (Madrid Metro), Opera Australia, Henan opera, Yue opera, Outline of opera, Metropolitan Opera, Russian opera, Grand opera, Vlaamse Opera, Peking opera, Opera (web browser), Opera in German, Malmö Opera, History of the Opera web browser, Opera in Azerbaijan, French opera, Ballad opera, Italian opera, Sichuan opera, Opera Mini, Comic opera, Opera (company), Paris Opera, Opera News, Opéra comique, Lyric Opera of Chicago, Opera seria, Royal Swedish Opera, Opera in Ukraine, Opera Cleveland, Teochew opera, Opera Mobile, Washington National Opera, The Beggar's Opera, Opéra-ballet, My Opera, Detroit Opera, Opéra Bastille, Opera buffa, Opéra bouffe, Opera Philadelphia, Israeli Opera, Opéra d'Avignon, Chinese opera, Wuxi opera, Taiwanese opera, Opera (disambiguation), State Opera (Prague), List of major opera composers, Space opera, Silesian Opera, The Royal Opera, Royal Opera House, Opera in English, Rock opera, Huangmei opera, Opéra National de Lyon, Cairo Opera House, San Francisco Opera, List of opera festivals, Opera house, Dutch National Opera, Chicago Civic Opera, Han opera, Baltic State Opera, Opera Carolina, Florentine Opera, Liyuan opera, Gaojia opera, Turkish State Opera and Ballet, New Zealand Opera, Baltimore Opera Company, National Opera of Ukraine, Greek National Opera, Funen Opera, Sydney Opera House, Suzhou opera, Vienna State Opera, Opéra de Marseille, The Little Prince (opera), CO2 (opera), Wu opera, National Opera House, Savoy opera, Wellington City Opera, Cologne Opera, Irish National Opera, Charlottesville Opera, English Opera, Revolutionary opera, Santa Fe Opera, Opera Atelier, Opéra de Lyon, Opéra-National, China National Opera, Private Opera, Nickel City Opera, English National Opera, Hanoi Opera House, Wrocław Opera, Toulon Opera, Romanian National Opera, Timișoara, Opera management, Soap opera, List of opera houses and opera companies in Chicago, Hungarian State Opera House, Opera America, Cantonese opera, Calgary Opera, Pacific Opera, Koroghlu (opera), Akhnaten (opera), Opera in New Orleans, Yerevan Opera Theatre, Gothenburg opera house, L'Egisto (opera), Birutė (opera), NBC Opera Theatre, Polish opera, Opera Saratoga, Romanian National Opera, Iași, National Opera and Ballet of Bulgaria, Den Jyske Opera, Korean revolutionary opera, Weiße Rose (opera), Opera Delaware, Opéra national de Lorraine, Horse opera, International Opera Awards, Opéra-Comique, Opera Queensland, Florida Grand Opera, The Opera Quarterly, Lithuanian Opera Company of Chicago, Romanian National Opera, Bucharest, Opéra national de Montpellier, History of opera, The Complete Opera Book, Los Angeles Opera, List of Russian opera singers, List of opera houses, Opera Soft, Western opera in Chinese, Origins of opera, Opera Australia Orchestra, Glyndebourne Festival Opera, The Threepenny Opera, A Night at the Opera