John Dygon was the prior of St. Augustine's monastery in Canterbury when Henry VIII boldly dissolved the English Catholic Church during the 1530s and reorganized it under royal control. Only a single copy of Dygon's treatises on music theory has survived, held by Trinity College, Cambridge. This volume is the first publication of the two treatises, providing both a scholarly transcription and English translation. Dygon's work provides a rare and important example of musical scholarship from the early Tudor period, demonstrating the status of music education at the time, the affiliations of...