這裡所說的「樂」，指的是中國上古文明中稱之爲「樂」的種種事物。其中已將「樂的起源與神事、巫術相關」視爲潛在的前題，但以此一命題所牽連到的「作者神祕性」的問題爲文旨，由神話、文字與樂器的造形等材料，展開對上古的「樂」的探索，並將樂與樂的作者充滿神祕性的一面彰顯出來。
The ”Yueh” put forth here is the multifarious ”Yueh” found in ancient Chinese civilization. This article also contains the views of various scholars of Chinese aesthetics since Li Ze Hou. The views are that the origins of ”Yueh” are closely connected with mythology and witchcraft, being considered latent in the former. Thus, there arises a question of ”The Composer's Mystical Nature”.
From the formation of myth, the words and the musical instrument, we can proceed to discuss the ancient meaning of ”Yueh”. We can also make known the full mystical connection between ”Yueh” and the composer.
