This work is a somber and intense character piece that reflects the tragic romanticism of the Brazilian nineteenth-century repertoire. Its distinct feature is the sudden dramatic shifts in dynamic and register.
Students must develop the ability to navigate large chordal reaches without losing the intensity of the melodic line.
Comparable difficulty and character — good candidates for what to learn next.
Amor profanado is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 7.
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 Amor profanado lasts about 5 minutes.
Amor profanado 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 Alerta! by J. Francisco da Fonseca Costa, Fantasy in D minor by Wolfgang Amadeus Mozart, Sarabande by George Frideric Handel — see the full similar-pieces list on this page.