Cotton, John [John of Afflighem]
- Peter M. Lefferts
Cotton, John [John of Afflighem] (fl.c. 1100), music theorist, was the author of a frequently cited and widely transmitted treatise, De musica, written about 1100. John and his treatise were long thought to be English on the strength of the opening words of a dedicatory letter with which the treatise begins, addressing 'Domini et patri suo venerabili Anglorum antisti [or episcopo] Fulgentio' (...