Related Clues:

• Start on a stage
• Emcee's remarks
• "101" class, briefly
• "Heeeeere's Johnny!" is one
• Rapper
• Intro giver
• ''Henry V'' opener
• Opening music
• Banquet official
• Emcee's line
• Show-runner
• "In this corner ..." begins one, briefly
• Exposition spot
• Maker of introductions
• When Giselle dies in "Giselle"