This piece, often found in collections like Tchaikovsky's Album for the Young, Op. 39, is a charming character piece that showcases a warm, singing melody. Its appeal lies in its simple yet effective harmonic language and its accessible, flowing melodic lines.
Focus on achieving a smooth, legato melody with sensitive dynamic control and clear voice leading.
Blessed is He Who Smiles 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 Blessed is He Who Smiles lasts about 3.5 minutes.
Blessed is He Who Smiles is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.