This is a rare example of a Nordic romantic lullaby for piano solo. It features a characteristic rocking accompaniment pattern that evokes the stillness of a Northern night.
The primary challenge is maintaining a consistent, gentle rocking motion in the left hand while projecting the melodic line.
Comparable difficulty and character — good candidates for what to learn next.
Berceuse Finnoise 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 Berceuse Finnoise lasts about 3 minutes.
Berceuse Finnoise 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 Matin by Benjamin Louis Paul Godard, Au Matin by Benjamin Louis Paul Godard, Au Matin by Benjamin Godard — see the full similar-pieces list on this page.