This is an alternative transliteration for Glazunov's work, representing the same sophisticated Russian late-Romantic piano writing. The piece is highly regarded for its structural cohesion and evocative, chromatic development.
Balancing the dense, layered textures against the melodic line requires sophisticated ear training.
Ballade (Op.78) is rated Henle level 7 of 9 — late advanced repertoire, roughly ABRSM grade 8 and above. In the RCM system it corresponds to about level 10.
You should be comfortable at Henle level 7 — meaning you can already play level 6–7 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 Ballade (Op.78) lasts about 6 minutes.
Ballade (Op.78) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.