Circulus vitiosus by Jan Kleczyński is a short, introspective character piece typical of late 19th-century salon music. It focuses on lyrical melody and subtle harmonic shifts.
At Henle 4 this is an intermediate piece that expects secure technique and real attention to phrasing. The main demands: rubato that must breathe naturally without losing the pulse; a true singing tone, with the melody floating above the accompaniment; and chord voicing — bringing out one note inside a handful of others.
Focus on balancing the inner voices against the primary melodic line.
Comparable difficulty and character — good candidates for what to learn next.
A level or two down with the same spirit — ideal if this piece is still out of reach.
Where this piece's skills lead: slightly harder works making similar technical demands.
Circulus vitiosus 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 Circulus vitiosus lasts about 3 minutes.
Circulus vitiosus 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 Gymnopédie No. 1 by Erik Satie, Gymnopédie No. 2 by Erik Satie, Gymnopédie No. 3 by Erik Satie — see the full similar-pieces list on this page.