I was looking at the news while I was work and stumbled across an article about a short film commissioned by Lucas and filmed by the set designer of the OT and according to the article shown in conjunction with ESB in theaters in the UK. It is said to be the basis of Excalibur and other films. I watched it (had to remember it was filmed 35 years ago) and saw those parallels.
So for those interested here is the link to the article and actual vid on youtube.
https://www.yahoo.com/movies/lost-star-wars-theatrical-companion-short-to-120521038492.html