Read these lines from the poem. So I sang a lay for a brother's ear

In a strain to soothe his bleeding heart,

What is the effect of the imagery in these lines?

It develops the idea that the speaker believes that misery is easily overcome with music.

It emphasizes that, like the speaker, his friend has experienced a painful life and is need of relief.

It clarifies that, like the speaker, his friend is an admirer of music and its benefits.

It conveys the idea that the speaker believes his friend is too sympathetic toward others.