A lot of people are lured into the+Occult and it usually pertains to just a bunch of hidden , obscure & mysterious things. Thus its a perfect match for many people that want to make it big in the entertainment industry.
http://thequietus.com/articles/07233-david-bowie-occult
In order to make your mark in showbiz, you have to be able to play the symbolic metaphysical game of the system.
http://vigilantcitizen.com/musicbusiness/occult-universe-david-bowie-meaning-blackstar
David Bowie seemed to make it work for him through the decades.
http://gnosticwarrior.com/david-bowies-gnostic-obsession.html
So many people have crashed & burned & died in their 20s, 30s or 40s from all the things big money can buy you. However, David Bowie was almost able to make it to the age of 70.
http://gnosticwarrior.com/bowies-stunning-1999-prophecy.html
An artist can draw from various sources as reality has several inputs that can be perceived.
www.parareligion.ch/bowie.htm
What's paranormal for many is quite real & well-known for others.
http://mindcontrolblackassassins.com/2016/01/14/david-bowie-lo-pan-farewell-to-a-beast
https://www.youtube.com/user/DavidBowieVEVO
http://desertshapes.blogspot.ca/2016/01/david-bowie-starman-extraordinaire.html
