Answer:
It's All Right is a 1963 song originally performed by The Impressions and written by Curtis Mayfield.
Hierarchical scale is the use of scale to indicate relative importance. In the royal altar to the hand, the king is at the center because he is the most important followed by his attendants.
It is more critical for theater actors to have their lines firmly memorized because their performances are going to be live. With a TV or film actor, for the most part, they can ask for the line and retake the shot. There are a few live television shows but for the most part, things are recorded so while it is important for film actors, it is imperative for theater actors.
