This piece is a delicate, evocative miniature by Joseph Jongen, capturing the stillness of an empty quay at dusk. It is notable for its refined harmonic palette and restrained, elegant melodic lines.
Mastering the control of harmonic color through careful pedaling is the primary challenge here.
Comparable difficulty and character — good candidates for what to learn next.
Calmes, aux quais déserts 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 Calmes, aux quais déserts lasts about 4 minutes.
Calmes, aux quais déserts 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 Calmes, aux quais déserts by Joseph Jongen, Bourrée dans le style ancien by Joseph Jongen, Berceuse by Heinrich Gottlieb Noren — see the full similar-pieces list on this page.