Answer:
It would either be "speaker" or "listener"
or
"Receiver" or "sender"
Explanation:
it depends on if you're speaking verbally or speaking virtually
To provide possibly past events in the songs or to give information to the people watching or help to pass the time and make it a little fun and not so depressing when times are ruff. Kinda hard to explain it's more so of what your view of the songs and the scenario of which the song starts.
A. Sound bites
I learned this in a Poli Sci class I took last year, hope it helps!
I would say D because it gives an answer with sequence and follows along with the other points such as
-first
-second
-third
-? (fourth)
-finally