Final answer:
In 'A Song for St. Cecelia's Day,' the speaker begins and ends with music as a symbol of both joy and eternity.
Step-by-step explanation:
In 'A Song for St. Cecelia's Day,' the speaker begins and ends with music as a symbol of both joy and eternity. The speaker describes how the music he heard during the maiden's song stayed with him even after it had ended. This suggests that music has the power to transcend time and can continue to resonate in our hearts, even when it is no longer physically present.