Rubinstein admired Mozart for having efficiently pressed his heart and soul into a mold of classicism and aspired toward the goal of a direct and simple style of performance. Composed some time in the 1780s. Spaethling, Robert (2000) Mozarts letters. There is much here that is very skeptical in focus, but to be considered part of a valid explanation, dolor, amp; ennui in a world more amp; more tamed by man.