THE 5-SECOND TRICK FOR HEALING MUSIC

four time signature, is really a holdover of the image, not a letter C being an abbreviation for "prevalent time", as popularly believed). Although a lot of of those improvements are ascribed to Vitry, and rather existing in the Ars Nova treatise, it was a modern day—and private acquaintance—of de Vitry, named Johannes de Muris (or Jehan des Ma