Clausetti's writing is marked by clarity and a formal elegance typical of composers associated with the publishing houses of that era. The work is distinguished by its clean, almost classical approach to melodic phrasing.
Pay close attention to the uniform touch and clean finger work in the rapid scale passages.
Comparable difficulty and character — good candidates for what to learn next.
'O plico is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 4.
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 'O plico lasts about 3 minutes.
'O plico 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 Piano Sonata No. 16 in C major by Wolfgang Amadeus Mozart, Alla Turca by Anton Diabelli, Alegretto by Franz Schubert — see the full similar-pieces list on this page.