= Quantum Mechanical View of Reality by Richard Feynman (1983)
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Sample playlist: https://www.youtube.com/playlist?list=PLW_HsOU6YZRkdhFFznHNEfua9NK3deBQy
Basically the same content as: <Richard Feynman Quantum Electrodynamics Lecture at University of Auckland (1979)>, but maybe there is some merit to this talk, as it is a bit more direct in some points. This is consistent with what is mentioned at http://www.feynman.com/science/qed-lectures-in-new-zealand/ that the Auckland lecture was the first attempt.
Some more information at: https://iucat.iu.edu/iub/5327621
By Mill Valley, CA based producer "Sound Photosynthesis", some info on their website: http://sound.photosynthesis.com/Richard_Feynman.html
They are mostly a <New Age> production company it seems, which highlights Feynman's absolute cult status. E.g. on the last video, he's not wearing shoes, like a proper guru.
Feynman liked to meet all kinds of weird people, and at some point he got interested in the <New Age> <Esalen Institute>. <Surely You're Joking, Mr. Feynman> this kind of experience a bit, there was nude bathing on a pool that oversaw the sea, and a guy offered to give a massage to the he nude girl and the accepted.
https://youtu.be/rZvgGekvHest=5105 actually talks about <spin (physics)>, notably that the endpoint events also have a spin, and that the transition rules take spin into account by rotating thing, and that the transition rules take spin into account by rotating things.