in 1823, the graz music society gave schubert an honorary diploma. he felt obliged to dedicate a symphony to them in return, and sent his friend anselm hüttenbrenner, a leading member of the society, an orchestral score he had written in 1822 consisting of the two completed movements of the "unfinished" plus at least the first two pages of the start of a scherzo. this much is known.