This is an obscure Romantic-era miniature characterized by its simple melodic lines and modest harmonic vocabulary. It represents the salon style popular in the late 19th century.
Focus on maintaining a consistent, singing tone in the melodic voice against the accompaniment.
Comparable difficulty and character — good candidates for what to learn next.
Barra (Op.2) is rated Henle level 2 of 9 — beginner repertoire, roughly ABRSM grades 2–3. In the RCM system it corresponds to about level 2.
You should be comfortable at Henle level 2 — meaning you can already play level 1–2 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 Barra (Op.2) lasts about 2 minutes.
Barra (Op.2) 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 Barra by Jonas Bach, 0 by Jonas Bach, 00 Barra by Jonas Bach — see the full similar-pieces list on this page.