J.S. Bach: Prelude (0:10), Fugue (2:42), and Allegro (6:47) in E-flat major, BWV 998, played on the Steven Sørli clavicytherium, by Ryan Layne Whitney. This is a .<br><br>Johann Sebastian Bach: Prelude and Fugue in D minor, BWV 851, from The Well-Tempered Clavier, Book I. This is a clavicytherium, or upright harpsichord, and .<br>The Steven Sørli lautenwerk clavicytherium.
