All these descriptions are making me want to replicate your experiment... your experience in the garden and with the music sound beautiful! The way you write about your state of mind definitely reminds me of Aldous Huxley's experience in "The Doors of Perception".

Psychedelic drugs get a bad rap but there is a significant amount of evidence that, administer in a controlled manner and safe conditions, they can be really beneficial for the betterment of the human mind and especially emotional health. Really enjoyed your posts on this series!