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may 1, 1000 - [書]時間：11世紀 Guido of Arezzo ca. 991-1050 在11世紀出版一本書(維里研究)關於音樂理論研究、用單弦計算音高與測量。

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Composers and Pianists

ByFrancis Lian
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may 1, 1000
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~ 1025 years ago
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