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

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