ABSTRACT
Heinrich Glarean can be seen not only as one of the most influential music theorists of the 16th century, but also and perhaps even more convincingly as a paradigm of humanist erudition. He is an exemplar of an early modern intellectual with manifold interests, who wrote on music, but did so within the frame of numerous writings and editions in different fields, applying his humanist methodology also to the treatment of musical matters. Among his books, we find one copy of the edition of Boethius' Opera printed in 1497/99 by De Gregoriis in Venice and one of the edition printed by Heinrich Petri in Basle in 1546, the incunabie being closely related to the second print. This Venetian copy is very heavily annotated, even by the standards of other volumes in Glarean's library. The references to Boethius recur frequently in the Dodekachordon, as well as in several places in the early Isagoge.
