Проверьте пожалуйста текст, посоветуйте, что подправить или добавить.To my mind perform in…

Проверьте пожалуйста текст, посоветуйте, что подправить или добавить.To my mind perform in front of an audience really hard and exciting.First of all I would practice. I must be shure, than all according to plan.After the perfomanse I would feel a sense of relief. I would very happy if the audience afford pleasure of my performance. Задание: What would it be like to perform in front of an audience? How would you prepare? How would you feel on stage after the performance?