Johann Sebastian Bach: Prelude and Fugue in B flat (WTK, Book I, No.21), BWV 866 - Prelude

歌曲	Johann Sebastian Bach: Prelude and Fugue in B flat (WTK, Book I, No.21), BWV 866 - Prelude
歌手	Friedrich Gulda
专辑	Bach, J.S.: The Well-tempered Clavier Bk I