Rogelio Villar offers a snapshot of Spanish nationalist influences adapted for the solo piano idiom. The piece is distinguished by its use of folk-inspired melodies and a lingering, soulful character.
Students should focus on the graceful execution of Spanish-inflected ornamentation.
Comparable difficulty and character — good candidates for what to learn next.
Canción española 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 Canción española lasts about 3 minutes.
Canción española 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 Prelude in E minor, No. 4 by Frédéric Chopin, Albumblad by Edvard Grieg, Brise de mer by Ruggiero Leoncavallo — see the full similar-pieces list on this page.