 With Otto Klemperer, he co-founded a chamber orchestra at the school, with which he gave the first U.S. performances of Bartók's "Music for Strings, Percussion and Celesta", Igor Stravinsky's "l'Histoire du Soldat" and Schoenberg's "Chamber Symphony No.1".During this time he prepared the ensemble and participated in the recording of Schoenberg's "Pierrot lunaire", conducted by the composer.