Often cited under slightly variant names, this composition by Hannikainen is a classic example of the early 20th-century Nordic salon style. It is noted for its clarity and effective use of mid-range register.
Students should prioritize achieving a beautiful, singing tone quality throughout the melodic register.
Comparable difficulty and character — good candidates for what to learn next.
Berceuse No.1 (Op.4 No.2) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 5.
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 Berceuse No.1 (Op.4 No.2) lasts about 3 minutes.
Berceuse No.1 (Op.4 No.2) 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 Nocturne in E-flat major, No. 2 by Frédéric Chopin, Au Matin by Benjamin Louis Paul Godard, Au Matin by Benjamin Louis Paul Godard — see the full similar-pieces list on this page.