Thanks for sharing, Edgitarra,
I think doing this is a great example of development through conscious suffering. Your post brought some thoughts to mind that I hope you may find relevant.
As I understand it, stage fright, like being shy can be seen as a very strong sensitivity to how other people perceive you. To the ego personality other people's opinions are so important that you freeze like a rabbit caught in the headlights. Everybody has this reaction to some extent but in people that are very shy or have strong stage fright reactions, it's more pronounced. In itself it's not good or bad, it's simply a facet of the person's psychological make-up. But it can be experienced as being quite uncomfortable and therefore you'll and in that sense it's a lesson to be worked on.
One way to work on it is through conscious suffering - by putting yourself in the uncomfortable situation again and again. It might end up not being uncomfortable anymore as the fear of the situation is often much more of a threat to the ego personality than the actual situation. It's very similar to the cold bath protocol. I was thinking about this yesterday as I was taking a cold bath. The water was 12 degrees centigrade. It was indeed very cold and the skin actually felt like it was burning. I've been doing cold showers and baths for a couple of months now and it's not that I'm less cold when I do it. Rather, the more I do it, the less I allow the little I that's saying "I'm very cold and it's very dangerous" to grab hold of my consciousness and affect my actions.
I think that a lot of the Work is about consciously putting ourselves in the situations that we fear - for whatever reason. This may or may not make the fear go away but what it will do is reduce the fear's ability to unconsciously affect our actions and the better we get a this the more we become ourselves.
As I see it, what you're doing by sharing this video is quite similar. At a later point you might be able to do solo performances without any stage fright
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Keep putting yourself out there and keep sharing