Carmen Barradas, a Uruguayan avant-garde composer, uses distinct rhythmic patterns to characterize the nautical theme. The work breaks from traditional tonality through its experimental approach to character pieces.
Attention to rhythmic precision and the coordination between distinct, non-standard rhythmic layers is essential.
Comparable difficulty and character — good candidates for what to learn next.
Canción de Marinero is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 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 de Marinero lasts about 3 minutes.
Canción de Marinero 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 Arrorró 'Los Niños Duermen' by Carmen Barradas, Boda en la Aldea by Carmen Barradas, Boda en la Aldea by Carmen Barradas — see the full similar-pieces list on this page.