Related Clues:

• It opens on Broadway
• Globe opening
• 'He-e-ere's Johnny!,' e.g.
• First paragraph
• It may begin "And now ..."
• Emcee's lines
• Conclusion's opposite, briefly
• "SNL" host's monologue, e.g.
• Starter
• DJ's concern
• Curtain-opener
• Start of many a play
• First few bars
• Foreword, briefly
• When "Comedy Tonight" is sung