 | This article includes a list of general references, but it lacks sufficient corresponding inline citations. (March 2024) |
Johannes de Garlandia (Johannes Gallicus) (fl. c. 1270 – 1320) was a French music theorist of the late ars antiqua period of medieval music. He is known for his work on the first treatise to explore the practice of musical notation of rhythm, De Mensurabili Musica.