Alice in Chains - Man in the Box
He is clearly a satanist.
https://www.nme.com/blogs/nme-blogs/six-70s-myths-about-david-bowie-761066
https://vigilantcitizen.com/musicbusiness/occult-universe-david-bowie-meaning-blackstar/
We are being mocked. He says around mark that we're born upside down 6:49. He is referencing the matrix analogy.
Blackstar is reference to the dark light.Illumination from the darkstar.
Bowie was into the Kabbalah which I believe the pentagram is representative of the body of mankind.