“…Beyond such music was a huge array of sounds that were considered dissonant with reason and, as such, were merely noise. After many shifts and turns, several twentieth‐century musicians, including Edgard Varèse (Charbonnier , 75, 83) and Morton Feldman (, 73–77), began to consider that, perhaps, the music world had also become a cage. In his writings and his art, Cage devoted himself tenaciously to opening the cage called “music,” and by opening this cage, he made a place for the sounds that had been excluded under the category labeled “music.”…”