Schmidt’s Op. 48 is a technical study that focuses on developing dexterity through broken chord patterns and shifting hand positions. It serves as a bridge between late Romantic style and technical pedagogy.
Focus on the coordination between the shifting left-hand patterns and the active right-hand passage work.
Comparable difficulty and character — good candidates for what to learn next.
Alibi (Op.48) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 6.
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 Alibi (Op.48) lasts about 4 minutes.
Alibi (Op.48) 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 Bal Masqué by Kees Schoonenbeek, Basso Ostinato, VL 267 by Mikalojus Konstantinas Čiurlionis, 'Fantasia' voor mannenkoor by Jef Tinel — see the full similar-pieces list on this page.