Many of the quotes used in the music and other clues point to words written by Giordano Bruno in his book “The Expulsion of the Triumphant Beast. It mentions Momus, Ursa Major, the sloth of may. Even the voiceover in the music are connected to this man.
Next you add in the fact that this guy went missing the game day I went looking for the spear is no coincidence. The puzzle has been talking about liber secundus and this guy must have written it and disappeared. What is going on?