Schubert's 'An die Laute' D. 905 is a beautiful song that translates effectively to the piano, evoking a gentle, lute-like accompaniment. It is characterized by its tender melody and intimate, reflective atmosphere.
The main challenge is to create a delicate, lute-like sound with sensitive pedaling and expressive phrasing.
An die Laute(Op.81 No.2) (D.905) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 4.
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 Laute(Op.81 No.2) (D.905) lasts about 2 minutes.
An die Laute(Op.81 No.2) (D.905) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.