Written in the tradition of American popular march music of the era, it captures a sense of finality and departure. It utilizes block harmonies to underscore a steady, forward-moving pace.
Balance the chordal weight to avoid harshness while maintaining a steady marching tempo.
Comparable difficulty and character — good candidates for what to learn next.
Buffalo Bill's Farewell is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 4.
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 Buffalo Bill's Farewell lasts about 3 minutes.
Buffalo Bill's Farewell 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 Bluebells of Scotland by Jules Egghard, 'O matremmonio d''o Princepe by Ernesto Russo-Galeota, Ballade No.2 by Andrei Anghel — see the full similar-pieces list on this page.