Music Music Teaching / Boetius Kodansha Gakujutsu Bunko

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Music
kodansha Academic Library / Through classical learning, "The Last Roman" Boetius, who wrote books such as 『 Philosophy Consolation 』 『 Arithmetic Lecture 』, "The Last Roman" Boetius. His books can be roughly divided into four groups. His works are educational works on mathematical courses, translations and commentaries on works such as Aristotle, Cicero, and Porphyrios, philosophical consideration of Christian theology, and finally, the Consolation 』 of 『 Philosophy. 『 Music Lecture 』 belonged to the first period and gave a general overview and detailed description of music theory after Pythagoras, and maintained a great influence on Western music theory from later ages, especially from the Middle Ages to the 18th century. It is significant that he systematized the nature of sound such as' Kyowa and Unkyowa,'' Musical interval and melody,'' Octave,'' 5 degree,'' 4 degree,'' half tone,'' whole tone,' and' half tone.' What is the origin of the perfection of the octave, what is the reason for the five degree and four degree consonant being' perfect,' and whether the half tone is really' half' of all tones, or what is the structure of the melody? Although the origin of music is sweet to the auditory sense, it is critical and emphasized that leaving all judgment to it lies in reason. It is only one point that the ultimate perfection and recognition lie in reason. What is then explored is the mathematical clarification of the interval or consonant, and it is also sought to clarify the significance of the "number ratio" by calculating the chord length of the monochord as two, three, four, etc., and to show the basis of the interval. The essence of this theory, which was formed about 1500 years ago, still forms the basis of Western music, although it cannot be said that it has been completely overcome by the reform attempts of modern music theory with the knowledge of sound science, and it cannot be said that it has been completely overcome by the source book of the Latin edition of the 19th century, referring to the English, French, German, and Russian editions.