Beim Winde (In the Wind), D.669, by Franz Schubert is an early song fragment that showcases his nascent lyrical gift and dramatic flair. The piano part effectively portrays the turbulence and expressiveness of the wind.
Develop a dynamic range and articulation to depict the varying intensity of the wind's movement.
Beim Winde (D.669) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 6.
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 Beim Winde (D.669) lasts about 4 minutes.
Beim Winde (D.669) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.