Schubert's "An den Tod" (Op. Posth., D. 518) is a poignant Lied for piano, setting a poem contemplating death. The music is characterized by its profound lyricism and dramatic shifts, reflecting the text's emotional depth.
Focus on expressive phrasing and managing the harmonic color changes.
An den Tod (D.518) is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of An den Tod (D.518) lasts about 3.5 minutes.
An den Tod (D.518) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.