The Speculum musicae of the early fourteenth century, with nearly half a million words, is by a long way the largest medieval treatise on music, and probably the most learned. Only the final two books are about music as commonly understood: the other five invite further work by students of scholastic philosophy, theology and mathematics. For nearly a century, its author has been known as Jacques de Liege or Jacobus Leodiensis. 'Jacobus' is certain, fixed by an acrostic declared within the text; Liege is hypothetical, based on evidence shown here to be less than secure. The one complete...
The Speculum musicae of the early fourteenth century, with nearly half a million words, is by a long way the largest medieval treatise on music, and p...
