Opera, OPERA experiment, List of opera genres, Ópera (Madrid Metro), Opera Australia, Russian opera, Grand opera, Metropolitan Opera, Yue opera, Vlaamse Opera, Opera (web browser), Henan opera, Outline of opera, Peking opera, Malmö Opera, Opera in German, Opera in Azerbaijan, History of the Opera web browser, Italian opera, French opera, Sichuan opera, Ballad opera, Opera Mini, Opera (company), Paris Opera, Comic opera, Opera News, Opéra comique, Opera seria, Lyric Opera of Chicago, Royal Swedish Opera, Opera in Ukraine, Opera Cleveland, Teochew opera, Opéra-ballet, Washington National Opera, Opera Mobile, Opéra Bastille, The Beggar's Opera, My Opera, Opera Philadelphia

Detroit Opera, Opera buffa, Opéra bouffe, Taiwanese opera, Opéra d'Avignon, Israeli Opera, Chinese opera, Wuxi opera, State Opera (Prague), List of major opera composers, Royal Opera House, Space opera, Opera (disambiguation), Silesian Opera, The Royal Opera, Opera in English, Huangmei opera, San Francisco Opera, Rock opera, Opéra National de Lyon, Opera house, List of opera festivals, Cairo Opera House, Baltic State Opera, Dutch National Opera, Chicago Civic Opera, Florentine Opera, Han opera, National Opera of Ukraine, Liyuan opera, Gaojia opera, New Zealand Opera, Sydney Opera House, Turkish State Opera and Ballet, Greek National Opera, Opera Carolina, National Opera House, Savoy opera, Opéra de Marseille, Vienna State Opera, Baltimore Opera Company, Wellington City Opera, Irish National Opera, Cologne Opera, The Little Prince (opera), Funen Opera, English National Opera, Santa Fe Opera, Suzhou opera, Revolutionary opera

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