The Berkeley Treatise

The Berkeley Treatise is an anonymous 14th-century compilation of musicological writings. The treatise is in five sections: concerning fundamentals and mode, discant, mensuration, musica speculativa and tuning. The third section on mensuration is a version of the Libellus cantus mensurabilis by Johannes de Muris, dated to 1375.^[1]

References

^ Reinhard Strohm, Bonnie J. Blackburn Music as Concept and Practice in the Late Middle Ages 0198162057 2001 "The Berkeley Treatise is an anonymous five-part compilation of works on fundamentals and mode, discant, mensuration (this part a version of the Libellus cantus mensurabilis secundum Johannem de Muris), musica speculativa, and tuning ... Its third part bears the date 1375 (and in a concordant manuscript an attribution to Goscalcus Francigena, possibly identical with the composer Goscalch known through one ballade in Chantilly, Musee Conde, MS 564). It is important for its exposition of the theory of hexachords built on notes other than C, F, and G..."

[1] Reinhard Strohm, Bonnie J. Blackburn Music as Concept and Practice in the Late Middle Ages 0198162057 2001 "The Berkeley Treatise is an anonymous five-part compilation of works on fundamentals and mode, discant, mensuration (this part a version of the Libellus cantus mensurabilis secundum Johannem de Muris), musica speculativa, and tuning ... Its third part bears the date 1375 (and in a concordant manuscript an attribution to Goscalcus Francigena, possibly identical with the composer Goscalch known through one ballade in Chantilly, Musee Conde, MS 564). It is important for its exposition of the theory of hexachords built on notes other than C, F, and G..."

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