Possible Clues:

• Energetic during Act IV especially
• Return of musical keeps contralto busy
• How 'e gets going, following the fourth part of the play
• 'E is not still after the fourth bit of the play
• Still serving
• After the fourth part of the play 'e gets it moving
• Doing things
• The bit of play I have is in the move
• There's nothing pass I've got with it
• There's something doing with it in the cave