This piece by Antonio Siragusa is an accessible character piece reflecting the style of light salon music common at the time. It is distinct for its pedagogical utility and pleasant, singable melodic line.
Focus on developing finger independence through the scale-like passages within the melody.
Comparable difficulty and character — good candidates for what to learn next.
'A verdummara is rated Henle level 2 of 9 — beginner repertoire, roughly ABRSM grades 2–3. In the RCM system it corresponds to about level 3.
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 'A verdummara lasts about 2 minutes.
'A verdummara 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 'A vivandiera by Antonio Siragusa, 'A lavannara by Antonio Siragusa, Arroz con leche by Anonymous — see the full similar-pieces list on this page.