Popol Vuh
“Place his head in the midst of the tree that is planted by the road,” said One Death and Seven Death.
 Now when they went to place his head in the midst of the tree, the tree bore fruit.
 The tree had never borne fruit until the head of One Hunahpu was placed in it.
This was the tree that we now call the calabash.
 It is said to be the head of One Hunahpu.
One Death and Seven Death marveled at the fruit of the tree, for its round fruit was everywhere. Neither could the head of One Hunahpu be seen clearly, for his face had become identical in appearance with the calabashes.
 This was seen by all Xibalba when they came to look at it. In their hearts, they perceived the greatness of the essence of that tree, for it was accomplished immediately when the head of One Hunahpu entered into its midst.
 Thus the Xibalbans spoke one to another, “Let no one cut the fruit, nor enter beneath the tree,” they said."
Popol Vuh,
Translation and Commentary by Allen J. Christenson


"Thus the poet Ayocuan Cuetzpaltzin of Tecamachalco believed that his songs came from heaven, but lamented that his own words could not express them as they came undefiled from the gods:

From within the heavens they come,
The beautiful flowers, the beautiful songs.
Our longing spoils them,
Our inventiveness makes them lose their fragrance." 
(León-Portilla 1980, 257)"

From the introduction, page 8

Music: Popol Vuh
Album Agape – Agape / Love – Love, 1983
Track 8 "Why Do I Still Sleep" – 7:58