Cart Continue Shopping “(Philip Glass). Musik der amerikanischen Avantgarde. Philip Glass undsein Ensemble. Evangelischer Gemeindesaal, Düren, 28. Februar 1971” has been added to your cart. Product Price Quantity Total × (Robert Smithson, Massimo Antonaci). John Weber Gallery, New York, January 11 - February 8, 1997: Robert Smithson. Issues of Entropy / Massimo Antonaci. "Has Become the Keystone of the Arch" $20.00 1 $20.00 × (Philip Glass). Musik der amerikanischen Avantgarde. Philip Glass undsein Ensemble. Evangelischer Gemeindesaal, Düren, 28. Februar 1971 $75.00 1 $75.00 Coupon: Cart Totals Subtotal $95.00 Shipping Flat Rate domestic: $4.99 Total $99.99 Proceed to Checkout