I auditioned for Robert Redford once and I was so starstruck I couldn't even speak. I had a mic wire at a screen test clipped to me and then I got kind of nervous and I paced in a circle and then took a step and tripped and fell on my face. You just have to forgive yourself and keep going on.
All the conductor has to do is stand back and try not to get in the way. Mozart is doing all the work.
I'm addicted to email, but other than that, there are practical things - being able to buy a book on the internet that you can't find in your local bookshop. This could be a lifeline if you live further from the sources.