This volume reflects a multidisciplinary approach, with the accent on the interplay between music performance and music theory. Thomas Christensen, in his contribution, shows how the development of tonal harmonic theory went hand in hand with the practice of thoroughbass. Both Robert Gjerdingen and Giorgio Sanguinetti focus on the Neapolitan tradition of partimento. Gjerdingen addresses the relation between the realization of partimenti and contrapuntal thinking, illustrated by examples of contrapuntal imitation and combination in partimenti, leading to the "partimentofugue." Sanguinetti...