This piece, a Ballade in G major, is likely to be a lyrical and elegant composition. Its musical fabric probably emphasizes a graceful melodic flow with supportive harmonic textures.
Achieving a refined and singing tone is paramount, along with maintaining an even flow of sixteenth notes.
Ballade in G major (Op.174) is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7.
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.
Ballade in G major (Op.174) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.