Ernesto Nazareth is primarily known for his Brazilian tangos, but his Elegia displays a more introspective, salon-style sensibility. It is distinguished by its subtle, almost Impressionistic harmonic shading.
At Henle 5 this is a late-intermediate piece — technically substantial, with musical demands to match. The main demands: a true singing tone, with the melody floating above the accompaniment; rubato that must breathe naturally without losing the pulse; and fine finger independence within the hand.
Maintain clean finger-independence to clarify the inner melodic voices.
Comparable difficulty and character — good candidates for what to learn next.
A level or two down with the same spirit — ideal if this piece is still out of reach.
Where this piece's skills lead: slightly harder works making similar technical demands.
Lesser-known works by the same hand, at a comparable level.
Elegia is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 6.
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 Elegia lasts about 4 minutes.
Elegia 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 Bombom by Ernesto Nazareth, Elite-Club by Ernesto Nazareth, Dengozo by Ernesto Nazareth — see the full similar-pieces list on this page.