This specific setting in D major demonstrates Anzoletti's skill at utilizing the instrument's resonance for lyrical effect. The piece is marked by a peaceful, flowing texture that demands sensitive dynamic control.
Use deep, controlled touch to ensure the D major harmonies resonate clearly without sounding harsh.
Comparable difficulty and character — good candidates for what to learn next.
Allegro sereno in D major is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 6.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
Allegro sereno in D major 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 Allegro sereno by Marco Anzoletti, Allegro Moderato in C major by Marco Anzoletti, Cantilena by Marco Anzoletti — see the full similar-pieces list on this page.