Answer:
a. The song lyrics in "The Weary Blues" reflect a "heavy load" for the singer.
Explanation:
The line "sags like a heavy load" in "Harlem" relate to the overall feeling of "The Weary Blues" because the song lyrics in "The Weary Blues" reflect a "heavy load" for the singer. This can be noticed throughout the rest of the song, since as the song progresses the singer begins to express his all the sad emotions weighing him down, such as his loneliness, displeasure, and uncertainty about the present as well as his future.