Analysis the character of J.S.Bach’s Sinfonia in A major (BWV 798) – based on the dynamic and research on related acoustic parameters

Various annotations of the character of J.S.Bach’s clavier music in piano perform seem to be under discussion by the pianists and musicologist. However, the extent of dynamic and the way of dynamic changes that had been considered appear scarce. In the essay below, the extent of the dynamic and the way of dynamic changes of J.S.Bach’s Sinfonia in A major (BWV 798) in piano perform is under analysis and discuss.