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