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![[XX2 ВЕК (22 век)] Алгебра гармонии. Часть I. От физики звука к пифагорову строю / 22 век](https://sun9-24.userapi.com/impg/TMeks8XzoqseXrSlHC_wjksx5rwbp74_zN1yjg/yDdTz1UlET0.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=94977d4ba4180467a27e9d392de93acd&c_uniq_tag=O9sA2Fz_DJerBfj3HzMUUSd3cEHcGLptl38GlB5vfKA&type=video_thumb)
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