Answer:
Timing
Explanation:
Dramatic elements are resources used by writers in order to convey a dramatic effect on part of the performer and then to have an action that is important in a number of ways , obviously depending on what the writer wants to show.In this case the element"...after the music has ceased..." gives an idea of sequencing , action after action plus the contrast between this character being alone and then in the company of Algernon.
