This book organize a musical text with the Fundamentals of Western Music – sound, notation, tuning systems, rhythm, musical intervals – connected with the structural elements of the Tonal Harmony – triads, seventh chords, cadences, secondary dominants, altered chords, delays, sequences, modulations. A third part identifies the melodic organization and the construction of motifs, phrases and periods. Numerous musical examples and tables guide the student to a progressive knowledge of harmony through the learning and practice of the rudiments of composition.