Where would A/V technicians be most likely to work?

What is perception? a) the complete awareness of an object b) the artists point of view c) the outline of an object

Two-door coupe, hoppin' out like jack-in-the-box, i'm gon' shoot if this 30's all that i got, y'all on mute, ain't no back-talk on my block, numb numb juice to the head, fok up the opps, two-door coupe, hoppin' out like jack-in-the-box, i'm gon' shoot if this 30's all that i got, y'all on mute, ain't no back-talk on my block, numb numb juice to the head, fok up the opps,

Which person, similar to a film producer is responsible for completing a master recording so that it is fit for the release? a& r coordinator production engineer record producer sound engineer