sentences:  ), the University of Iowa (Ph.D.), Aspen, Tanglewood, and Paris.As a young violinist, he performed at the Casals Festival and elsewhere in various professional ensembles, including a piano trio, a string quartet, and early music groups with Hindemith and Boulanger.In 1964, he was appointed music director of the Harvard-Radcliffe Orchestra, and led that group on tours to Europe, Russia, South America, and Asia.