This is an identical work to Orda's Op. 9, capturing the salon aesthetic of the mid-19th century. Its charm lies in the fluid, vocal-like quality of the primary melody.
Focus on smooth, cantabile playing throughout the melodic sequences.
Comparable difficulty and character — good candidates for what to learn next.
Belida et Metidjah 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 Belida et Metidjah lasts about 4 minutes.
Belida et Metidjah 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 Belida et Metidjah by Napoleon Orda, 'O sole mio by Eduardo Di Capua, Belle of the Ball by Leroy Anderson — see the full similar-pieces list on this page.