Roubier’s Caprice espagnol offers a more salon-style approach to the Spanish idiom. It is distinguished by its lyrical, melancholic central theme and rhythmic vitality.
The main challenge is maintaining a cohesive, singing tone amidst the decorative passagework.
Comparable difficulty and character — good candidates for what to learn next.
Caprice espagnol (Op.51) is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 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 Caprice espagnol (Op.51) lasts about 4 minutes.
Caprice espagnol (Op.51) 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 Liebestraum No. 3 in A-flat major by Franz Liszt, 16 Waltzes by Johannes Brahms, All the Things you are by Billy Joseph Mayerl — see the full similar-pieces list on this page.