F.C. Costers produced several salon-style miniatures during the late 19th century. This work functions as a gentle, accessible character piece typical of domestic musical practice in that era.
Students must pay close attention to the phrasing and the precise realization of the melodic ornaments.
Comparable difficulty and character — good candidates for what to learn next.
Au Crépuscule (Op.83) is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 4.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 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 Au Crépuscule (Op.83) lasts about 3 minutes.
Au Crépuscule (Op.83) 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 Au Crépuscule by F.C. Costers, Albumblatt by Johannes Brahms, (Four Note) Pavan by Richard Farrant — see the full similar-pieces list on this page.