How does lines 24 through 38 help to develop a central idea of “Excerpt from Leonardo da Vinci: Renaissance Genius”?

the answer is b:   the american composer and singer bob dylan composed many songs, by which he is very famous and considered one of the mosts influencial artists of pop music. he was awarded the nobel prize in literature for his type of poetry. but the huge impact his songs had are due to both lyrics and music, without which the message would lose strength.

when in the second paragraph fourth sentence it says "if youre" it should be "if you're"

i read this story but basically they wanted to be free from their troubling minds. if i had the answer choices it would be better for me to answer this question.