A symphony of Three Orchestras was dedicated to someone who died in what year?
Pierre Boulez Pierre Louis Joseph Boulez CBE (] ; 26 March 1925 – 5 January 2016) was a French composer, conductor, writer and organiser of institutions. He was one of the dominant figures of the post-war classical music world.
Carlo Taube Carlo Sigmund Taube (born July 4, 1897 in Galicia, died October 1, 1944 in Auschwitz-Birkenau) was a pianist, composer, conductor, and victim of the Holocaust.