Spendiarov's Canzonetta reflects a late-Romantic harmonic palette with folk-inspired melodic sensibilities. It is known for its heartfelt, singing melody and lush piano textures.
Focus on the seamless connection of phrases through careful use of rubato and touch.
Comparable difficulty and character — good candidates for what to learn next.
Canzonetta 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.
A typical performance of Canzonetta in D major lasts about 4 minutes.
Canzonetta 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 Für Elise by Ludwig van Beethoven, Pavane pour une infante défunte by Maurice Ravel, Brigg Fair by Percy Grainger — see the full similar-pieces list on this page.