From where does the trumpet player's weariness come in the first stanza?

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.

He feels that he way because

Isearch it in google and give , she was get bully by other people in the school and that make here hate school