 
<translate> Ihe ọmụma dị mkpa bụ: Schubert nwụrụ mgbe ọ dị afọ 31, ma ọ rụpụtara ọtụtụ ihe n'oge ndụ ya. Ihe o mepụtara nwere ihe karịrị 600 ọrụ olu ụwa (ọkachasị Lieder), symphonies zuru ezu asaa, egwu dị nsọ, opera, egwu egwu na nnukwu ụlọ na egwu piano. Ya mere, azịza ya bụ Lieder. <eng> The relevant information is: Schubert died at age 31, but was extremely prolific during his lifetime. His output consists of over 600 secular vocal works (mainly Lieder), seven complete symphonies, sacred music, operas, incidental music and a large body of chamber and piano music.
Therefore, the answer is Lieder. 