This march is an arrangement derived from Johann Strauss Jr.'s operetta 'Der lustige Krieg'. It retains the composer's characteristic rhythmic drive and melodic brilliance suited for the piano.
At Henle 4 this is an intermediate piece that expects secure technique and real attention to phrasing. The main demands: precise articulation — the difference between crisp and blurred is the piece; octave passages that demand a relaxed wrist to avoid tension; and a left hand with real melodic or rhythmic responsibility of its own.
Ensure precise, crisp articulation in the staccato bass notes to define the rhythmic structure of the march.
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.
Der lustige Krieg Marsch (Op.397) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 5.
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 Der lustige Krieg Marsch (Op.397) lasts about 3 minutes.
Der lustige Krieg Marsch (Op.397) 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 Bouquet-Quadrille by Johann Strauss Jr., Cagliostro-Walzer(from Cagliostro) by Johann Strauss Jr., Brünner-Nationalgarde-Marsch by Johann Strauss Jr. — see the full similar-pieces list on this page.