Photograph from the beginnings of the artistic and friendly collaboration between Pierre Boulez and the others. From left to right: Jean Batigne, Claude Ricou, Pierre Boulez, Georges Van Gucht. This photograph is nicknamed « Les casquettes » (The Caps) and was taken in Darmstadt on July 15th, 1962 after a performance of « le Marteau sans maître » (1954) by Pierre Boulez.
©DR