This piece is a characteristic salon work by the prolific French composer Cécile Chaminade. It features a sweeping, song-like melody typical of her late-Romantic output.
Focus on maintaining a smooth, vocal-like legato line throughout the lyrical phrasing.
Comparable difficulty and character — good candidates for what to learn next.
Alleluia is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7. In the RCM system it corresponds to about level 6.
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 Alleluia lasts about 3 minutes.
Alleluia 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 Berceuse by Cécile Chaminade, Berceuse by Cécile Chaminade, Bonne humeur by Cécile Chaminade — see the full similar-pieces list on this page.