Rather than addressing indigenous genocide, Stockhausen's Am Himmel wandre ich and Chacon's Asdzaa Nádleehé and Yoolgai Asdzaa took native American poetry and myth as setting for an evening of unusual song.
Cage hoped that the change from “pinch-penny mental attitudes to courageous wastefulness” would become as prevalent in the arts as it is in nature. Along those lines, his late choral music is spare, seemingly simple: quiet, almost fragile sounds scattered over silences.