Related Clues:

• Part of the front matter
• Initiation into nitro liquid
• Welcome through the door
• Deeply involved with capturing rook in opening
• Opening comment
• Speech starter
• Preface, briefly
• "In this corner ..." begins one
• Clear river akin to 18 12
• Type of opening
• Emcee's speech
• Short track to start an album, perhaps
• Prologue, for short
• Proposal to provide public with running water
• Keynote preceder