This analytical book contains studies on topics such as the axis system, harmonic principles, and many others. Beyond the arithmetical construction of the harmonic elements, the author directs attention to the physiological, historical, and aesthetic grounds of our musical language. It is richly illustrated with musical examples: mostly Bartók's and Kodály's musical language is analysed; Mozart, Verdi and Wagner examples are also given, and a theoretical foundation to computers in musical ana...