This is a completely revised 2003 edition of volumes I and II of The Organ Music of J. S. Bach (1980), a bestselling title, which has subsequently become a classic text. This edition takes account of Bach scholarship of the 25 years prior to publication. Peter Williams's piece-by-piece commentary puts the musical sources of the organ works in context, describing the form and content of each work and relating them to other music, German and non-German. He summarises the questions about the histor...

• Fugue in G Minor, BWV 131a
• Six Sonatas, BWV 525-530
• Preludes and Fugues (Praeludia), BWV 531-552
• Eight Short Preludes and Fugues, BWV 553-560
• Miscellaneous Pieces, BWV 561-591
• Concertos, BWV 592-596
• Orgelbüchlein, BWV 599-644
• Schübler Chorales, BWV 645-650
• Chorales formerly called 'The Eighteen', BWV 651-668
• Chorales from Clavierübung III, BWV 669-689
• Chorales formerly called 'The Kirnsberger Collection', BWV 690-713
• Miscellaneous Chorales, BWV 714-765
• Chora...