One day, the 7-year old Intermediate Ballet class I play piano for, had a substitute teacher. Though the little girls didn't realize it, they were quite privileged to have this instructor. A famous Russian ballerina who now taught the professional dancers that made up the ballet company. Immediately I could sense this would be a different class than the girls were used to, for this teacher was disciplined and focused and was used to nothing less than the full attention and hard work from her students, no matter what their age. From my seat behind the piano, I watched the girl's faces as they struggled to understand the higher-level of combinations from their new teacher. I saw some grow frustrated, confused, and some gave up. But for as much as these girls were not used to their new teacher, their new teacher was not used to the inexperienced girls, and continued her class as if she were teaching her skilled adult company. In the middle of the class, the instructor mistoo