A delicate salon piece characteristic of Brazilian composers from the period. It relies on a flowing accompaniment and a sentimental melodic focus.
Students should focus on balancing the registers to ensure the accompaniment does not overpower the melody.
Comparable difficulty and character — good candidates for what to learn next.
21 de outubro is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 4.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 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 21 de outubro lasts about 2 minutes.
21 de outubro 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 Amôr fraternal by Rosinha Moreira, 'O sole mio by Eduardo Di Capua, Believe Me, If All those Endearing Young Charms by Irish Folk Music — see the full similar-pieces list on this page.