Prelude and Fugue in C Sharp Major (Das Wohltemperierte Klavier: Book I, No. 3, BWV 846-869), BWV 848 - J.S. Bach: Prelude and Fugue in C Sharp Major (Das Wohltemperierte Klavier: Book I, No. 3, BWV 846-869), BWV 848 - I. Prelude