This set of variations by Carl Czerny utilizes Russian folk motifs adapted for salon-style keyboard virtuosity. It features standard 19th-century variation techniques that bridge the gap between technical pedagogy and concert performance.
Maintain clarity in the rapid ornamental passages while ensuring the theme remains audible through the variations.
Comparable difficulty and character — good candidates for what to learn next.
2 Airs russes variés (Op.535) 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 2 Airs russes variés (Op.535) lasts about 6 minutes.
2 Airs russes variés (Op.535) 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 Beliebte Thema mit Variationen im brillanten Salon-Styl by Carl Czerny, Allegro en galopp by Carl Czerny, Allegretto grazioso sopra un tema del Ballo 'Barbe-Bleue' by Carl Czerny — see the full similar-pieces list on this page.