For 10 points, identify this mass of characters in ancient Greek drama that usually provided moralizing commentary.
Friedrich Schiller argued that the reintroduction of this literary device allows for the modern world to be transposed to the ancient realm in an essay intended as a preface to his The Bride of Messina. Depending on the context, this device is called the sicinnis, codrax, or emmelia, and it usually entered from the two paradoi. Its swaying from west to east is marked antistrophe, the opposite of a strophe. It functions as the Erinyes in the last member of The Oresteia, and in The Suppliants, this entity represents the Danaids. Before the introduction of the deuteragonist, it was the only entity with which the protagonist could interact. For 10 points, identify this mass of characters in ancient Greek drama that usually provided moralizing commentary.
Friedrich Schiller argued that the reintroduction of this literary device allows for the modern world to be transposed to the ancient realm in an essay intended as a preface to his The Bride of Messina.
Greek chorus [I can't think of any other acceptable answers, but answers like "the imaginary audience" are just wrong.]