The book "Mental Training as a Support for Piano Playing" is dedicated to the topic of mental training and its application in the musical field, especially in piano playing. It provides an introduction to various techniques based on the theories of Klöppel and Orloff-Tschekorsky and explains how these methods can be used specifically to improve musicians' mental strength and ability to concentrate.Another focus is on the biological processes that are triggered in the brain through practicing and mental training. It examines how these methods can promote not only playing technique, but also emotional and mental well-being. In addition, the book presents a survey that sheds light on musicians' experiences with mental training methods and how they integrate them into their everyday practice.