As you have learned, Greek drama evolved from the ritualistic
performances of a chorus at the Dionysian festivals. After the actor Thespis
stepped out of the chorus and began a dialogue with it, other characters soon
followed, and the chorus's role gradually diminished in size (from fifty members
to fifteen) and importance. Playwrights kept the chorus as a significant
element in their dramas, but its functions were necessarily more limited.
Robinson Jeffers, who translated Medea,
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showed last 75 words of 558 total
functions like restating past events in order to clarify the plot, or introducing
the entrances and exits of characters in the play. Both of these functions help
make the play seem smooth and help the reader to understand the play
better. The chorus had evolved and changed from a ritualistic performances to
shows and plays with dialogues. The chorus may have a small speaking part,
but without them, it wouldn't be the same.