Johann Pachelbel's beloved Canon, the first movement of the Canon and Gigue in D major, was completely unknown until its publication in a 1918 article in the German periodical "Archiv fur Musikwissenschaft." The first complete score and parts, edited by Max Seiffert, appeared 11 years later. Though receiving some attention, the work only rocketed to fame in the 1970s in the wake of a recording made by the French conductor Jean-Francois Paillard. In recent years, Seiffert's edition has come under fire due to his his fairly liberal addition of tempi and dynamics. The problem of making a...