In the first stanza, the speaker describes the trumpet player's face as possessing of "dark moons of weariness" that are linked to terrible memories of slavery. In this way, the speaker starts the poem with a sense of the fatigue that comes from great suffering.
Hyde is being tortured to his freedom
I think the answer is OC because in variable line poetry, the intention is to produce this contrast consciously and to produce a rhythm of shorter and longer lines, like the rhythm of shorter and longer sentences.
