This text investigates the technical and editorial standards required for the accurate preparation of early music for modern publication. Thurston Dart, a prominent musicologist and performer, utilizes his extensive experience in historical performance practice to establish a framework for editors. He argues that the transition from manuscript to printed copy necessitates a rigorous methodology to preserve the integrity of the original musical intent while ensuring readability for contemporary performers.

Scholars and music editors frequently cite this work as a foundational manual for the technical aspects of historical musicology. Experts note that while the prose is specialized, it remains a standard reference for those involved in the critical editing of early musical scores.