The speaker does something unexpected: they treat an ordinary matchstick like a hero worthy of an epic. "I sing the head of a match" borrows the grand tone of old praise poems, but the subject is tiny. The red tip becomes a "tune," as if its color and its spark were a kind of music, and the speaker thinks it deserves a proper anthem played on a trumpet.
The last lines shift into something softer. Addressing the match as "o wing of my being," the speaker seems to feel a personal bond with it, as though the small flame carries some part of themselves. "Sweet evening prayer" suggests lighting a match at dusk, a quiet, almost devotional moment. The mood moves from playful and a little grandiose to tender and hushed. The poem asks us to notice how much wonder can sit in something we normally use and throw away without thinking.