This is a quintessential example of the late 19th-century American cakewalk craze, bridging the gap between parlor music and early ragtime. It is defined by its syncopated rhythm and upbeat, characterful temperament.
At Henle 4 this is an intermediate piece that expects secure technique and real attention to phrasing. The main demands: a waltz lilt that needs charm and a flexible left hand; precise articulation — the difference between crisp and blurred is the piece; and fine finger independence within the hand.
Focus on crisp rhythmic articulation and clean execution of the syncopated bass figures.
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.
Eli Green's Cake-Walk 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 Eli Green's Cake-Walk lasts about 3 minutes.
Eli Green's Cake-Walk 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 Beneath the Starry Flag by Sadie Koninsky, Alexander's Ragtime Band by Irving Berlin, Die Parade der Zinnsoldaten by Léon Jessel — see the full similar-pieces list on this page.