What is the primary purpose of these stage directions?
to further establish the time period
to indicate a character's tone of voice
to direct actions that take place onstage
to describe a character's thoughts

that is literally a whole assignment and i'm not sure anyone in their right mind or even wrong mind is going to do an entire assignment for someone just for 100 points on a website. sorry to tell you like

buenas noches would be your answer

a line graph will be best to show the income.

the answer should be the first one. "many people find his lyrics very moving."

it by far makes the most grammatical sense and is very objective, removing any first person from the original sentence and keeping with the sentence fluency.