Zamecnik was a prolific composer for silent film accompaniment, writing numerous functional but exciting piano pieces. This work is defined by its bold, emphatic gestures and cinematic momentum.
Ensure the heavy chords are voiced cleanly without sacrificing the drive of the rhythm.
Comparable difficulty and character — good candidates for what to learn next.
Allegro vigoroso 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 Allegro vigoroso lasts about 3 minutes.
Allegro vigoroso 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 Bon vivant by John Stepan Zamecnik, Billet Doux by John Stepan Zamecnik, Ballet Sentimental by John Stepan Zamecnik — see the full similar-pieces list on this page.