Possible Clues:

• Popcorn brand whose logo resembles a movie marquee
• When Juliet asks 'Wherefore art thou Romeo?'
• Last part of ''Cats''
• When Macbeth kills Duncan
• When Hamlet pretends to go mad
• Play part after intermission
• When Juliet is compared to the sun
• It may follow the first intermission
• Play part
• Musical's usual conclusion