13_Variations_on_a_theme_by_Anselm_Hüttenbrenner
The 13 Variations on a theme by Anselm Hüttenbrenner, D. 576, is a set of variations for the piano in A minor composed by Franz Schubert in 1817. The theme was composed by Anselm Hüttenbrenner for his first string quartet op. 3 in 1816, to whom it is also dedicated.[1]