This waltz-form piece by Morales captures the rhythmic and harmonic flavor of Spanish salon music from the era. It emphasizes grace, elegance, and a fluid, dance-like pulse.
Mastery of the rhythmic lilt of the waltz accompaniment is essential to support the lyrical, song-like right hand.
Comparable difficulty and character — good candidates for what to learn next.
Bajo el parral is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 5.
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 Bajo el parral lasts about 4 minutes.
Bajo el parral 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 Canción Argentina by Justo Tomás Morales, Canción de mi alma by Justo Tomás Morales, Andante by Wolfgang Amadeus Mozart — see the full similar-pieces list on this page.