Musicology Annotation << Back C.P. E. Bach about the art of the free fantasy Yuliya K. Drobot The article studies the free fantasy art of performing culture in the Baroque and early classical based on information from the musical-theoretical treatise of Carl Philipp Emanuel Bach’s «An Essay on the True Art of Playing Keyboard Instruments». The author of the treatise was composed of musicians to the service of the Prussian King Frederick II and, according to the memoirs of contemporaries, had mastered the art of improvising on the clavier. In our chapter, we published «On the free fantasy» Р. E. Bach gives advice on the development of the musicians free improvisation skills needed to create independent instrumental fantasies and performance vary reprises, which are not recorded in music notation and improvised in the game. Introduction to the theoretical foundations of free improvisation gives us the key to deciphering the vast urtext edition clavier Heritage P. E. Bach and his contemporaries. Keywords: Carl Philipp Emanuel Bach, the Prussian performing school mid-eighteenth century, clavier play, free fantasy, free variation. Contacts: E-mail: yuliya_piano@mail.ru Pp. 11-19.