Chung Lo is an example of early 20th-century American popular piano music with an exoticized thematic character. It relies on repetitive rhythmic figures to build momentum.
At Henle 2 this is a beginner-level piece, where steady coordination between the hands is the main hurdle. The main demands: fast passage work that stays light and even at tempo; precise articulation — the difference between crisp and blurred is the piece; and a left hand with real melodic or rhythmic responsibility of its own.
The focus should be on clean, detached articulation of the recurring melodic motive.
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.
Chung Lo is rated Henle level 2 of 9 — beginner repertoire, roughly ABRSM grades 2–3. In the RCM system it corresponds to about level 3.
You should be comfortable at Henle level 2 — meaning you can already play level 1–2 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 Chung Lo lasts about 2.5 minutes.
Chung Lo 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 Arrival of the Gecks by Charles N. Daniels, Blumenwalzer by Léon Jessel, Bluin' the Blues by Henry Ragas — see the full similar-pieces list on this page.