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Shi Kuang was a renowned court musician of the Jin state during the Spring and Autumn period (approximately 770–476 BCE). His courtesy name was Ziye. Although blind, he was exceptionally skilled at playing the qin (a seven-stringed zither) and possessed extraordinarily acute hearing, enabling him to discern and judge musical pitches with remarkable precision.
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3.23 When talking to the Grand Master of Lu about music, Confucius said, “Their music in so far as one can find out about it began with a strict unison. Soon the musicians were given more liberty; but the tone remained harmonious, brilliant, consistent, right on till the close.”