Candlemas Eve by E.J. Moeran is a delicate, folk-influenced piece reflecting the composer's interest in traditional English melody. It is characterized by modal inflections and a poignant, wandering quality.
The main difficulty lies in projecting the melodic nuances within the shifting modal landscape.
Comparable difficulty and character — good candidates for what to learn next.
Candlemas Eve, R96 is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 7.
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 Candlemas Eve, R96 lasts about 4 minutes.
Candlemas Eve, R96 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 Beleet Parus odinokiy by Fyodor Grigoryevich Golitsyn, Gymnopédie No. 1 by Erik Satie, Gymnopédie No. 2 by Erik Satie — see the full similar-pieces list on this page.