Described as a "show for 17 performers", it is a setting of a libretto by the Chilean poet Gaston Salvatore, who had been prominent in the student disturbances of 1968 in Berlin.
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The work was premièred at the Deutsche Oper, Berlin in September 1971 with William Pearson as the soloist and the chamber ensemble consisting of the Philip Jones Brass Ensemble and the Fires of London along with the percussionist Stomu Yamash'ta under Henze's direction.
Among other things, he is known for his collaborations with Hans Werner Henze, including Compases para preguntas ensimismadas and Der langwierige Weg in die Wohnung der Natascha Ungeheuer.
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