In the poem "Weary Blues" who are the two speakers?

The subject of the poem "The weary blues" is the blues musician and a speaker who enjoys in his performance.

Explanation:

We don't know certainly who is the speaker in the poem, we can just see that he is involved in the jazz scene. "The weary blues" tells us about the power of black art and the singer of blues who is playing in Harlem.

The speaker in the poem documents the experience of listening to a piano player in Harlem play the blues.