Core of the Sage.

Summary

The ancient musical scale, known as the pentatonic scale, consists of five notes: Gong, Shang, Jiao, Zhi, and Yu, corresponding to Western musical notes. Du Yu, facing a question about music theory, argued for the twelve-tone equal temperament, suggesting that pitch could be calculated based on vibrating body lengths. As he completed his argument, a divine phenomenon occurred—the Suzaku appeared, carrying a book, signifying the importance of his findings. This event shocked the exam candidates, and Du Yu's work was recognized as groundbreaking, potentially elevating his status and garnering attention from the court. However, rivalries and jealousy emerged among his peers, highlighting the significance of his achievement in music theory.

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