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