 He composed stage music for the workers' theater "Ohel", gave lessons and began his path-breaking research into the music of the Bible, which later made his name known all over the world.He even tried, together with David Schor and David Mirenburg, to continue the concert activities of the New Jewish School, founding the music society "Hanigun".His latter years he spent in New York, where he taught at the Cantors' Institute of the Jewish Theological Seminary.