How does the symbolic description of music affect the poem's tone?

a. it shifts the poem's tone from impersonal and objective to personal and subjective.
b. it maintains the carefree, singsong tone of the poem from the beginning to the end.
c. it changes the tone from one of downcast complaint to one of gladness and celebration.
d. it lends a slow-paced, thoughtful tone to the poem, almost like a funeral.