This is an aria from an opéra comique, characterized by its simple, tuneful melody and a gentle, narrative quality. It features clear phrasing and a straightforward harmonic structure typical of the late Classical era.
Focus on clear melodic articulation and smooth transitions between phrases.
Alexis, ou L'Erreur d'un bon père is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6.
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 Alexis, ou L'Erreur d'un bon père lasts about 8 minutes.
Alexis, ou L'Erreur d'un bon père is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.