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