INTRODUCTION, CHAPTER I. INTRODUCTION, PART I: THE MATERIAL OF MUSIC, CHAPTER II. THE PHENOMENA OF SOUND IN GENERAL, CHAPTER III. SPECIAL CHARACTERISTICS OF MUSICAL SOUNDS, CHAPTER IV. THEORETICAL NATURE OF THE SOUNDS OF MUSICAL INSTRUMENTS, PART II: ELEMENTARY ARRANGEMENTS OF THE MATERIAL, CHAPTER V. GENERAL ARRANGEMENT OF MUSICAL SOUNDS BY STEPS OR DEGREES, CHAPTER VI. MUSICAL INTERVALS, CHAPTER VII. HISTORY OF THE MUSICAL SCALE, CHAPTER VIII. THEORETICAL NATURE OF THE DIATONIC SCALE IN ITS ANCIENT FORM, CHAPTER IX. THE ANCIENT MODES, CHAPTER X. MODERN TONALITY, CHAPTER XI. THE MODERN DIATONIC SCALE AS INFLUENCED BY HARMONY, CHAPTER XII. THE CHROMATIC SCALE-THE SCALES OF THE MINOR MODE, CHAPTER XIII. TIME-RHYTHM-FORM, PART III: THE STRUCTURE OF MUSIC, CHAPTER XIV. MELODY, CHAPTER XV. HARMONY, CHAPTER XVI. HARMONY-Continued, CHAPTER XVII. HARMONY-ContinuedCHAPTER XVIII. HARMONY-Continued, CHAPTER XIX. HARMONY-Continued, CHAPTER XX. COUNTERPOINT, CHAPTER XXI. CONCLUSION, Appendix, Supplementary Essay by Dr. H. Hartridge, Index