The Development of a New Keyboard
Paul S. Rosberger · Journal of Research in Music Education · 1966
INVENTORS have been working continuously from the time of Bach to perfect a new keyboard. For Johann Sebastian Bach, in creating his didactic work, Das wohltemperierte Clavier (The Well-Tempered Clavier), started far more than a mere support of the argument for equal temperament as he knew it. Probably without even realizing the full value of equal temperament, he initiated the transformation of the structure of music. This has since