In January 1930 he said the symphony was "not nearly ready and I cannot say when it will be ready", but in August that year he told Koussevitzky that a performance in the spring of 1931 was possible.
En xaneiro de 1930 dixo que a sinfonía "non estará lista pronto e non podo dicir cando estará lista", mais en agosto dese mesmo ano díxolle a Koussevitzky que a interpretación na primavera de 1931 era posible.