Really like this post because I’ve thought about these same issues as a music therapist from a Tibetan Buddhist perspective. The lamas say our motivations deeply color our behavior and that being motivated by “self-cherishing ego”, as opposed to our “neutral” ego, can lead to unwelcome outcomes.
Another Buddhist mind tool is simply observing our behavior in a non-reactive way like your, “just being aware of our thought processes”. That pre-performance diary is a great real world application of that.
Here's the paragraph from the post talking about the pre-performance diary:
In another study with college music majors, two researchers asked their participants to complete “diary” before 15 performances during a school year (Sadler & Miller, 2010). For each entry, always done within an hour before performing, they described their thoughts and feelings heading into their performance. Over the course of the 15 performances, there was a significant decrease in performance anxiety reported by the music students. And note, these musicians were not directed to use any particular strategy to combat stage fright; they simply took note of what they were thinking and feeling. It would seem that even some basic self-awareness can have a therapeutic effect.
The blog is by Dr. Robert Woody, a professor of music education and music psychology and is called Being Musical. Being Human.