They establish a rough, feral setting.
Explanation: As explained above it sets a hard and wild setting.
On "The Weary Blues" In The Big Sea Hughes reported that his "Weary Blues," which won him his first poetry prize, "included the first blues [he's] ever heard way back in Lawrence, Kansas, when [he] was a kid." In "The Weary Blues" Hughes dealt with the blues singer and his song in relation to the speaker of the poem.
Answer:
tomb
Explanatio
Definition of word
A small room or monument carved into rock