John Pridham's Barbara is a sentimental salon piece typical of Victorian era piano music. It features a decorative, song-like melody supported by arpeggiated broken-chord accompaniments.
Practice balancing the melody against the accompaniment to achieve a clear, singing tone.
Comparable difficulty and character — good candidates for what to learn next.
Barbara 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 Barbara lasts about 3 minutes.
Barbara 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 Belle of the West by John Pridham, 'O sole mio by Eduardo Di Capua, Believe Me, If All those Endearing Young Charms by Irish Folk Music — see the full similar-pieces list on this page.