Greek chorus
group of performers, singers or dancers in Greek drama, who witness what is being acted and express their thoughts and feelings
A chorus in a classical Greek play typically serving to formulate, express, and comment on the moral issue that is raised by the dramatic action or to express an emotion appropriate to each stage of the dramatic conflict.
Aeschylus, who was the seventh servant of Dionysus, was told to be the one who directed these chorus' to perfection.
