Werk BWV 564

Toccata, Adagio, and Fugue in C major (BWV 564) is an organ composition by Johann Sebastian Bach. As is the case with most other organ works by Bach, the autograph score does not survive. The earliest manuscript copies were probably made in 1719–1727. The title of the piece in these copies is given, as expected of organ literature of the time, simply as Toccata in C major (or more precisely, Toccata pedaliter, referring to the obbligato pedal part).[1] The piece is an early work, probably composed in the mid-to-late Weimar years, i.e. 1710–1717. It shares some similarities with other toccatas composed around the same time, such as BWV 538, BWV 540, and 2]