When FrancoofCologne, about 50 years later, proposed a system of mensural notation ("measured" ...Ars cantus mensurabilis (c.1280), FrancoofCologne clearly indicated, for each note, ...
Along with Johannes de Garlandia and FrancoofCologne , whose work precedes his, ...Anonymous IV mentions the work of the theorist FrancoofCologne, and gives descriptions of organum ...