NOT KNOWN FACTUAL STATEMENTS ABOUT AMBIENT MUSIC

four time signature, is definitely a holdover of the symbol, not a letter C as an abbreviation for "popular time", as commonly thought). When numerous of those innovations are ascribed to Vitry, and considerably current while in the Ars Nova treatise, it had been a present-day—and personal acquaintance—of de Vitry, named Johannes de Muris (or J