{"product_id":"circumscribing-the-open-universe","title":"Circumscribing the Open Universe","description":"\u003cp\u003eExplores the concept of open structure as it has evolved in the music of the American avant-garde throughout the 1960s and 1970s. The works of five composers are examined in detail: John Cage, Morton Feldman, Christian Wolff, Robert Ashley and Alvin Lucier.\u003c\/p\u003e","brand":"Bloomsbury Publishing PLC","offers":[{"title":"Default Title","offer_id":52657680187759,"sku":"9780819137487","price":474.27,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0921\/9384\/9711\/files\/0819137480.jpg?v=1770817808","url":"https:\/\/internacional.umlivro.com.br\/products\/circumscribing-the-open-universe","provider":"UmLivro Internacional","version":"1.0","type":"link"}