"An die Leier" is a song by Franz Schubert that sets a poem by Johann Mayrhofer. It is notable for its poignant melody and Schubert's ability to evoke a sense of longing and simple beauty.
Focus on creating a warm, singing tone and sensitive phrasing.
An die Leier (D.737) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 5.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 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 die Leier (D.737) lasts about 2.5 minutes.
An die Leier (D.737) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.