Add Context - 5. Music, Temperament, and Social Concord

From The Observatory

Query: 5. Music, Temperament, and Social Concord

Add Context

Quoted text:

There were five tetrachords, and five “extra” calendrical days in the year (bridging the gap between the 360-day public-sector administrative calendar and the actual 365-day solar year). [Omitted text: [DEFINE TETRACHORD]]

Here the author included a note: “[DEFINE TETRACHORD]”—can you help us by adding a transition and a definition of a tetrachord here?

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