I don't think any responsible performer would go on stage high. If he convinced himself he is better that way, he is deluding himself.
I like performing because it's direct contact with live people. I write a good deal of the time but that's introspective creation rather than interaction.
If both the performer and audience are on the same plane then it's not ART but SCIENCE, for ART is a personal expression that varies from one individual to another, while SCIENCE commands uniformity &...