Possible Clues:

• King Lear disinherits Cordelia here
• When Stanley cries 'Hey, Stella!' in 'A Streetcar Named Desire'
• Half of 'Waiting for Godot'
• Where the play begins
• When Carmen meets Don José
• When the witches first appear in 'Macbeth'
• When the curtain rises
• Play period?
• When the lights dim
• When Elder Kevin Price goes to Uganda, in 'The Book of Mormon'