Related Clues:

• MC's job
• Top squads
• Emcee's delivery
• Starting words
• Freshman course word
• Special Forces units
• It may begin with "Here's"
• Opening speech
• Varsity groups
• Keynote precursor
• Song starter
• Emcee's remarks
• "101" class, briefly
• "Heeeeere's Johnny!" is one
• Opening music