The central significance of Jan Pieterszoon Sweelinck (1562–1621) for the evolution of baroque “clavier music” can hardly be overestimated. Yet all the currently available editions of his works stand in need of revision. Our new scholarly-critical performance edition, prepared by the experienced editor Siegbert Rampe , closes this gap. It is the first complete edition of Sweelinck’s keyboard works to distinguish between “works of secure authenticity” , “works of uncertain authenticity” and “work...