Opera ballo

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