Getting back to Gary Moore.
He came from a couple of miles from me in East Belfast. He was left handed but played guitar right handed. Im the same.
Unfortunately for me, thats where the similarities end.

A mate of mine used to live next door to his parents. His Dad was a Taxi driver and a drinker, so my mate used to pop round and to visit Mrs Moore in the evenings and "keep her company".

I saw him in a very small venue (about 200 people) in Shepherds Bush about 15 years ago. The stage was only about 3 feet high and I stood right at the front. In fact he stood on my fingers at one point.
I was transfixed watching him play, and could only conclude his secret was simple. An overdose of God given talent.
How he played guitar didnt seem humanly possible to me.
He was, technically at least, the greatest Ive ever seen.
This is a good demonstration. Worth sticking with it for the whole ten minutes.
https://www.youtube.com/watch?v=WMdbsmuhLZ0