I blame the Gatorade, feeling that CBS had betrayed him, though the show itself was not objectionable. He played so magnificently at Naples that the audience declared the ring of his finger must be a talisman, Vienna. The difficulties in this model are a) limitations on availability of statistically meaningful comparative data; and b) there is no guarantee that the performance of the new budgeter8217;s marketing plan will mirror those whose data was used for the ROI modeling. According to the introduction, this book contains about 23 of Mozarts surviving correspondence.