This transcription adapts Mozart's operatic themes into a piano format designed for the amateur market of the late 19th century. It emphasizes clarity of melody and standard operatic transcription techniques.
Pay close attention to balancing the vocal melody against the operatic transcription of the orchestral textures.
Comparable difficulty and character — good candidates for what to learn next.
'La flûte enchantée' de W.A. Mozart (Op.97) 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 'La flûte enchantée' de W.A. Mozart (Op.97) lasts about 5 minutes.
'La flûte enchantée' de W.A. Mozart (Op.97) 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 'La flûte enchantée' fantaisie by Pierre François Clodomir, 'La straniera' fantaisie by Pierre François Clodomir, 'Oberon' de C.M. Weber by Pierre François Clodomir — see the full similar-pieces list on this page.