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Under what circumstances did Bach complete the collection of piano music with equal rhythm, a masterpiece in the history of music education?
1720, a sad regret happened. That year, he and the prince went to Calpasteur, and only his wife's cold body greeted him. 36-year-old wife Maria? Barbara suddenly fell ill during her trip to Bach and died before she could see him for the last time. Sadly, Bach looked at his seven young children at a loss, so he devoted himself wholeheartedly to his favorite music and sought spiritual comfort. Because of this, Bach completed the first volume of his masterpiece in the history of music education-The Collection of Piano Music with Equal Rhythm. The so-called averaging law refers to the modulation method that divides octaves into twelve semitones on average. In this way, 24 notes can be marked as rising and falling, and they can be tuned at will. This book is easy to understand, not only for beginners, but also for a considerable degree of proficiency.