What is the summary of chapter 5 of the book The Tequila Worm

The lesson by paul laurence dunbar read these lines from the poem. for oft from the darkness of hearts and lives come songs that brim with joy and light, what is the effect of the imagery in these lines? a. it conveys how music transforms the speaker’s attitude from depressed to uplifted. b. it explains how songs reinforce the speaker’s belief in the importance of staying positive. c. it expresses the speaker’s viewpoint that the best music is inspired by suffering. d. it emphasizes the speaker’s perspective that life is a painful experience.