Emil von Reznicek's 'Ernster Walzer' is a late-Romantic or early-Modern work that subverts the traditional joy of the waltz. It is marked by chromaticism, dark harmonic tension, and a somber, brooding character.
At Henle 5 this is a late-intermediate piece — technically substantial, with musical demands to match. The main demands: careful pedaling — clarity depends on the foot as much as the fingers; sharp dynamic and character contrasts held together in one arc; and a true singing tone, with the melody floating above the accompaniment.
Beyond that, expect big chords that need weight without harshness.
Mastering the dense chordal texture while maintaining a cantabile melodic line is the primary hurdle.
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.
Ernster Walzer 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 Ernster Walzer lasts about 5 minutes.
Ernster Walzer 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 Ernster Walzer für das Pianoforte by Emil von Reznicek, Ciacona in F minor, P.43 by Johann Pachelbel, Der traurige Mönch by Franz Liszt — see the full similar-pieces list on this page.