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"БОЛЬШОЙ ТЕАТР" / "ЛЕБЕДИНОЕ ОЗЕРО": "BOLSHOI THEATER" (i guess "ЯН" in the first chapter is a part of the name of some play or a ballet, but i'm not very versed, so still no idea) / "Swan Lake". About fucking time they started broadcasting this on all TV channels here...
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"ТЕАТРАЛЬНАЯ КАССА": "Theater tickets" (word-for-word - "theater ticket window").
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Logo on Maria's jacket "ОПЛЕ"?: Don't recall any similar sounding or looking brands.