All the masterpieces are like stories of the Universe IMO. Or of the "heavens", by which I mean complex subjective experience that seem to me have something to do with complex operations with the unconscious. This experience is very similar to dreaming but in a fully conscious state, with the possibility to project the "dreams" into art.
I'll possibly post on that a little more. Looks like playing with poetry was the best door for me to discover what's really going on in the creative process phenomenologically for me and why it's called specifically a transpersonal experience rather than just arational (because it produces something that I'm able to fully comprehend only later, sometimes days after publishing it).