This piece is a contemporary anthem likely intended for vocal performance, characterized by grand and potentially devotional musical statements. Its distinction lies in its modern harmonic language and its aspirational, uplifting character.
Focus on achieving a powerful and resonant tone, particularly in chordal passages.
Anthem No.1 (Op.32) is rated Henle level 5 of 9 — late intermediate repertoire, roughly ABRSM grades 6–7.
You should be comfortable at Henle level 5 — meaning you can already play level 4–5 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
Anthem No.1 (Op.32) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.