Related Clues:

• Welcome through the door
• Deeply involved with capturing rook in opening
• Speech starter
• Preface, briefly
• "In this corner ..." begins one
• Type of opening
• Emcee's speech
• Short track to start an album, perhaps
• Prologue, for short
• Keynote preceder
• Prelude, for short
• Opening bars to a piece of popular music
• A short musical overture
• Emcee's opening words
• Starting bars