Joan Carreras i Dagas was a Spanish composer whose work often drew upon the gentle, sentimental traits of the Romantic period. This piece serves as a miniature study in expressive, song-like piano playing.
Maintain consistent voicing to highlight the primary melody above the supporting texture.
Comparable difficulty and character — good candidates for what to learn next.
Bonheur parfait 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 Bonheur parfait lasts about 2 minutes.
Bonheur parfait 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 Black Beauty by Duke Ellington, Berceuse by Rudolf Friml, Albumblatt by Moritz Moszkowski — see the full similar-pieces list on this page.