《文心雕龙·乐府》
不但传说天上常奏《万舞》，而且上古葛天氏的时候也曾有过八首乐歌。
钧天九奏，既其上帝；葛天八阕，爰及皇时。
Not only does legend say that "Wandance" is often played in heaven, but in the days of Ge Tianshi in ancient times, there were also eight pieces of music.
<s>[INST] Convert the following English text into Classical Chinese: Not only does legend say that "Wandance" is often played in heaven, but in the days of Ge Tianshi in ancient times, there were also eight pieces of music. [/INST] 钧天九奏，既其上帝；葛天八阕，爰及皇时。</s>
Convert the following English text into Classical Chinese: Not only does legend say that "Wandance" is often played in heaven, but in the days of Ge Tianshi in ancient times, there were also eight pieces of music.
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钧天九奏，既其上帝；葛天八阕，爰及皇时。
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