 In 2006, the Library of Congress acquired his papers to make them part of their permanent collection.He held visiting residencies and fellowships at the University of California (Santa Barbara and San Diego), Ohio State University, Harvard University, Tufts University, Cambridge and Oxford Universities (UK), and the Rockefeller Foundation Study Center (Bellagio, Italy).Performances of his music include the Cincinnati, Indianapolis and Houston Symphonies, the Minnesota Orchestra, the Kreutzer and Borromeo Quartets, Lincoln Center, Merkin Hall, Symphony Space and the MOMA Summer Garden (NYC); Tanglewood, the Bath Festival (UK); Leningrad Spring (Russia), Gaudeamus Music Week (Netherlands), and the European Youth Orchestra Festival (Denmark).