One can truly say that Mendelssohn's St. Paul oratorio is a genuine "work in progress" - such as one finds repeatedly in the composer's works. After the world premiere in Düsseldorf in 1836, the composer sighed: "Since I changed a number of things after the performance, notably in the recitatives, and omitted a few pieces entirely, I really don’t know how these changes can be made in the quartet parts that have already been engraved.” Luckily, the score had not yet been printed at this point in...