Read the excerpt from "The Weary Blues." Ain't got nobody in all this world,
Ain't got nobody but ma self.
I’s gwine to quit ma frownin'
And put ma troubles on the shelf.

What is the effect of repeating the phrase “ain't got nobody” in the poem?
It emphasizes the theme of sorrow and melancholy in the poem.
It illustrates the singer's reluctance to perform the blues.
It shows the singer's desire to connect to other musicians.
It personifies the singer's thoughts and emotions.