in sequence over a full day, sunrise to sunset. At the end of the last play, a satyr play was staged to revive the spirits of the public, possibly depressed by the events of the tragedy.

In the work of Aeschylus, comparing the first tragedies with those of subsequent years, there is an evolution and enrichment of the proper elements of tragic drama: dialogue, contrasts, and theatrical effects. This is due to the competition in which the older Aeschylus was with other playwrights, especially the young