Book II: Prelude and Fugue No. 21 in B-Flat Major BWV 890: I. Prelude

歌曲	Book II: Prelude and Fugue No. 21 in B-Flat Major BWV 890: I. Prelude
歌手	Sviatoslav Richter
专辑	Bach: Well Tempered Clavier (Books I & II, Complete)