Handling higher levels of arousal

Practice, practice, practice would be one answer to like, what can you do to perform better under pressure? Yeah, I would say not just practice, but also trying to envision everything that can go wrong. You need to prepare yourself for non-optimal performance and be okay with that. Give yourself permission to make mistakes. That's actually something that has helped me immensely at the poker tables,. probably would have helped my perfectionist kid self at piano.