This étude by Beatty emphasizes rhythmic clarity and coordinate movement between the hands. It is written in a late-Romantic/Modern style suitable for intermediate technical development.
At Henle 4 this is an intermediate piece that expects secure technique and real attention to phrasing. The main demands: a left hand with real melodic or rhythmic responsibility of its own; fast passage work that stays light and even at tempo; and precise articulation — the difference between crisp and blurred is the piece.
Ensure the left-hand rhythmic pulse remains steady while the right hand executes agile melodic passages.
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.
Lesser-known works by the same hand, at a comparable level.
Etude for Piano No.4 is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 4.
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 Etude for Piano No.4 lasts about 3 minutes.
Etude for Piano No.4 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 Etude for Piano by Stephen W. Beatty, Etude for Piano No.1 by Stephen W. Beatty, Digital Piano Chaos Variation by Stephen W. Beatty — see the full similar-pieces list on this page.