- Leonard Bernstein, Lorne Munroe, New York Philharmonic, Seymour Lipkin, William Lincer, David Nadien
- The Seattle Youth Symphony Orchestra, Stratford Festival Orchestra, George Schick, David Nadien, Vilem Sokol
- National Orchestral Association, The Chappaqua Chamber orchestra, David Nadien, Wolfgang Schanzer, Leon Barzin
- André Kostelanetz, Leonard Bernstein, Sylvan Schulman, New York Philharmonic, Great Neck Symphony Orchestra, David Nadien