This obscure work is a character piece by Alfredo Bendelari, typical of mid-19th century parlor music. It focuses on sentimental melody lines set against a simple accompaniment.
Focus on projecting a clear singing tone throughout the melodic phrases.
Comparable difficulty and character — good candidates for what to learn next.
Cagnanno guarnigione 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 Cagnanno guarnigione lasts about 3 minutes.
Cagnanno guarnigione 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 Albumblatt in A minor by Johannes Brahms, Albumblatt by Carl Filtsch, Canon in E minor by Sergei Rachmaninoff — see the full similar-pieces list on this page.