Aspirer et atteindre, Op. 25, is a significant piece from Vladimir Rebikov's later, post-Romantic period. It is distinguished by its use of unresolved dissonances and impressionistic textures that create an ethereal, dream-like quality.
The challenge lies in managing the complex pedaling and the coloristic layering required to realize the composer's harmonic intent.
Comparable difficulty and character — good candidates for what to learn next.
Aspirer et atteindre (Op.25) is rated Henle level 6 of 9 — advanced repertoire, roughly ABRSM grades 7–8. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 6 — meaning you can already play level 5–6 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 Aspirer et atteindre (Op.25) lasts about 5 minutes.
Aspirer et atteindre (Op.25) 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 Asturias (Leyenda) by Isaac Albéniz, Ballade des Tropiques by Brasílio Itiberê, Ballade des Tropiques by Brasílio Itiberê — see the full similar-pieces list on this page.