This is a quintessential amateur-level march from the American parlor repertoire of the early 20th century. It features simple homophonic textures and a robust, forward-moving rhythmic pulse.
Ensure the steady pulse of the march is maintained throughout the left-hand accompaniment.
Comparable difficulty and character — good candidates for what to learn next.
Billman's grand march is rated Henle level 2 of 9 — beginner repertoire, roughly ABRSM grades 2–3. In the RCM system it corresponds to about level 2.
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 Billman's grand march lasts about 3 minutes.
Billman's grand march 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 Bunker Hill by Albert Von Tilzer, 'Alleluia! The Strife Is O'er' by Thomas Frederick Handel Candlyn, 'Our Leader' March by Frederick Ellsworth Bigelow — see the full similar-pieces list on this page.