books.google.com.pr - Writer/composer/performer/painter/poet are just a few hats that the musician John Cage (1912-1992) wore through his long and productive life. For over five decades, he changed the shape of American art and culture by pushing the envelope of what could be called "art". Quietly, working at the edges of...http://books.google.com.pr/books/about/John_Cage_Ex_Plain_Ed.html?hl=de&id=aLAYAQAAIAAJ&utm_source=gb-gplus-shareJohn Cage (Ex)Plain(Ed)