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The London Coliseum to open for English National Opera performances of Mozart's Requiem | WhatsOnStage
English National Opera | London Coliseum | History, facts, News | Classic FM
English National Opera is offering its most expensive tickets for free, to Under 21s - Classic FM
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Amsterdam Stopera interior: Dutch National Opera Building theater, with people, visitors on opening night during intermission Stock Photo - Alamy
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How to Keep an Opera From Bursting at the Seams - The New York Times
English National Opera (Opera House - London, united kingdom) | Opera Online - The opera lovers web site
Guide to Dutch National Opera and Ballet | Bachtrack
Dutch National Opera - Wikipedia
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