J.S. Bach: Prelude and Fugue in B flat (WTK, Book I, No.21), BWV 866

Song	J.S. Bach: Prelude and Fugue in B flat (WTK, Book I, No.21), BWV 866
Artist	András Schiff
Album	Aria mit 30 Veränderungen, BWV 988 "Goldberg Variations"