| 21. | Nevertheless he went on composing, writing operettas in the 1920s.
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| 22. | They returned to Britain in 1880, continuing in operetta roles.
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| 23. | It is based on the operetta " Im wei�en R��l.
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| 24. | Since 2002 BrodziDska is an actress of Silesian Operetta in Gliwice.
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| 25. | He collaborated with Mischa Elman and Augustus Thomas on an operetta.
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| 26. | On stage he had also been a singer in light operettas.
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| 27. | This operetta thing is produced for the benefit of peasants ."
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| 28. | Among the operettas she sang were " Katinka ".
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| 29. | Porretta also appeared in several musicals and operettas during his career.
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| 30. | She participated several times in Opera and Operetta Festival in Ciechocinek.
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