“Compressed into two staves, they are intended to please all enthusiasts of the organ and the clavier. I also hope to inspire diligent practice and great delight with this collection too. The departed author has no need of my recommendation. One was used to seeing nothing but masterworks from his pen,” Carl Philipp Emanuel Bach wrote these words in 1787 in the preface of the epoch-making edition of the 371 Four-Part Chorale Melodies.

In his edition, Klaus Schubert presents the famous collect...