Johann Sebastian Bach (1685-1750) Fugue in c minor Book I
The Fugue is one of the pieces from the Wohltemperirte Clavier (the well-tempered clavier) which is one of Bach`s best known works. The preludes and fugues are organized in two sets of 24 works, each of the major and minor keys.
The manuscript below incorporates the theoretical mapping of the composition.

