Answer:
The theme the author wants to get across is to avoid condemnation of others for occurrences we can't understand at the time, because the same thing could happen to us in the future.
hope this helps :)
In this poem, the author describes the "music" that the movement of the black girl brings to our ears. He talks about the way in which the girl's playing makes her braids move, and he describes this musicality by using words such as "symphony","crescendo", and "movement." These words are employed as imagery, and their effect is that they create an image in the mind of the reader. This image contributes to the meaning of the poem by portraying the vivacity and cheerfulness of the girl.
Discrimination means judging someone either for their race, religious beliefs and (or) gender.