In December 1928, however, when his Danish publisher Wilhelm Hansen asked him how the work was developing, Sibelius was less forthcoming; the symphony existed, he said, only in his head.
En decembro de 1928, non obstante, cando o seu editor dinamarqués Wilhelm Hansen lle preguntou cómo estaba a desenvolverse o traballo, Sibelius foi menos explícito; a sinfonía existía, dixo, só na súa cabeza.