We have been taught that hard work is the key to success. As James Cash (J. C.) Penney quipped, “I do not believe in excuses. I believe in hard work as the prime solvent of life's problems.”

As musicians, we understand the value of hard work, of putting in the practice time. When we encounter passages that confound our technique, we “take it to the woodshed” to put in more repetitions. When we ha...