José Sentis composes in the light classical/salon tradition, infusing his waltz with a bittersweet melodic profile. It is a stylistically consistent piece reminiscent of Spanish salon music of the early 20th century.
At Henle 4 this is an intermediate piece that expects secure technique and real attention to phrasing. The main demands: a waltz lilt that needs charm and a flexible left hand; rubato that must breathe naturally without losing the pulse; and precise articulation — the difference between crisp and blurred is the piece.
Beyond that, expect a true singing tone, with the melody floating above the accompaniment.
Maintain a steady pulse in the left hand while allowing flexibility in the right-hand phrasing.
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.
Dolores is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 5.
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 Dolores lasts about 3 minutes.
Dolores 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 Waltz No. 2 by Dmitri Shostakovich, Waltz in C-sharp minor, No. 2 by Frédéric Chopin, Waltz in A minor by Frédéric Chopin — see the full similar-pieces list on this page.