Charles-Augustin Collin was a French organist and composer whose keyboard works often served a liturgical function. This piece is a gentle, hymn-like meditation characterized by slow-moving harmonies and a restrained, pious aesthetic.
The primary challenge is legato voicing to ensure the chordal textures sound seamless.
Comparable difficulty and character — good candidates for what to learn next.
Bénédiction is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 3.
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 Bénédiction lasts about 4 minutes.
Bénédiction 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 Prelude in C major by Johann Sebastian Bach, Gymnopédie No. 2 by Erik Satie, Solace by Scott Joplin — see the full similar-pieces list on this page.