A rare concert piece by the Brazilian composer Branca Bilhar, reflecting the influence of European Romanticism on South American piano composition. It combines bravura technique with expressive melodic lines.
Mastery of wide-spanning arpeggios is necessary to achieve the intended brilliance.
Comparable difficulty and character — good candidates for what to learn next.
Allegro de concerto is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 9.
You should be comfortable at Henle level 6 — meaning you can already play level 5–6 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 Allegro de concerto lasts about 6 minutes.
Allegro de concerto 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 Belfagor by Ottorino Respighi, Allegro de Concert by Alexander Scriabin, Boabdil by Moritz Moszkowski — see the full similar-pieces list on this page.