舒伯特 (Franz Schubert) was an Austrian composer born in 1797, known for his significant contributions to classical music. He is particularly famous for his lieder, or art songs, which beautifully express emotions and often feature poetic texts. His most notable works include the "Ave Maria" and the song cycle "Die schöne Müllerin." In addition to his vocal music, Schubert composed symphonies, chamber music, and piano pieces. His symphony No. 8, commonly referred to as the "Unfinished Symphony," remains one of his most celebrated works. Schubert's innovative melodies and harmonies have influenced many composers, including Johannes Brahms and Gustav Mahler.