This piece acts as a short, introspective character study in the tradition of early Romantic salon music. It is distinguished by its expressive use of minor-key pathos.
Work on coordinating the independent accompaniment pattern with the sustained melodic line.
Comparable difficulty and character — good candidates for what to learn next.
Bagattelle no. 1 in Am (Op. 3) is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 3.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 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 Bagattelle no. 1 in Am (Op. 3) lasts about 3 minutes.
Bagattelle no. 1 in Am (Op. 3) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Gymnopédie No. 1 by Erik Satie, Gymnopédie No. 2 by Erik Satie, Gymnopédie No. 3 by Erik Satie — see the full similar-pieces list on this page.