The present aim is to enable the student to recognize and trace the mental process of the composer in executing his task; to define each factor of the structural design, and its relation to every other factor and to the whole; to determine thus the synthetic meaning of the work, and thereby to increase not only his own appreciation, interest, and enjoyment of the very real beauties of good music, but also his power to interpret, intelligently and adequately, the works that engage his attention.from the author's preface