NOT KNOWN FACTUAL STATEMENTS ABOUT RELAXING MUSIC

4 time signature, is in fact a holdover of the image, not a letter C as an abbreviation for "typical time", as popularly believed). While lots of of such innovations are ascribed to Vitry, and fairly current inside the Ars Nova treatise, it had been a modern—and private acquaintance—of de Vitry, named Johannes de Muris (or Jehan des Mars) who m