Eduardo Di Capua is best known for his Neapolitan songs, and this piano arrangement captures the lyrical essence of his vocal compositions. The piece is distinguished by its sweeping, vocal-like melodic arches.
Focus on legato phrasing and expressive use of the pedal to sustain the long melodic lines.
Comparable difficulty and character — good candidates for what to learn next.
'A serenata d''e nnammurate 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 'A serenata d''e nnammurate lasts about 5 minutes.
'A serenata d''e nnammurate 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 'O sentimento by Eduardo Di Capua, 'O sole mio by Eduardo Di Capua, 'A robba fina! by Eduardo Di Capua — see the full similar-pieces list on this page.