This piece by Ribas is a modest, moody waltz that explores a melancholy character within a limited technical framework. It features simple accompaniment figures and a vocal-style melody.
The student must balance the dynamic levels between the inner melody and the outer accompaniment.
Comparable difficulty and character — good candidates for what to learn next.
Boudeuse is rated Henle level 2 of 9 — beginner repertoire, roughly ABRSM grades 2–3. In the RCM system it corresponds to about level 2.
You should be comfortable at Henle level 2 — meaning you can already play level 1–2 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 Boudeuse lasts about 2 minutes.
Boudeuse 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 'Who Knows?' by Ernest Roland Ball, Blues for Rodica by Serban Nichifor, Autumnal by Víctor Carbajo — see the full similar-pieces list on this page.