Sound Photosynthesis has full recording

Apparently Terence spoke 2 times at this event - only found this video recording though. https://dj.dancecult.net/index.php/dancecult/article/view/1234/1066

A few months before the release of his book "True Hallucinations", Terence McKenna was asked to recount the experiment at La Chorrera, and since he "ran out of material" for the workshop he gives a detailed account of the events of 1971.