This is a character piece, likely intended for educational or light entertainment purposes. It makes use of simple melodic motifs that evoke the persona of the title through descriptive rhythmic play.
Students should focus on distinct articulation and characterization of the musical subject.
Comparable difficulty and character — good candidates for what to learn next.
Boston Bull is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 2.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 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 Boston Bull lasts about 2 minutes.
Boston Bull 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 (I’m Spending) Hanukkah in Santa Monica by Tom Lehrer, Bolero by César Antonovich Cui, Bolero by César Cui — see the full similar-pieces list on this page.