His last large-scale work of the 1930s was his Piano Concerto, composed for the pianist Solomon, who gave the world premiere at the World's Fair in New York in June 1939.
Karya terakhirnya tahun 1930-an yang berskala besar adalah Piano Concerto, ditulis untuk sang pianis Solomon, yang mengadakan pertunjukan perdana dunia di World's Fair di New York pada Juni 1939.