Possible Clues:

• Final words from messenger appearing briefly before one
• Closing words in French verse call for attention
• Some men voicing author's final words
• Brief stanza concluding certain forms of poetry
• Conclusion of poem
• A final stanza not all children voiced
• Postscript shows unattractive emotion — cut both bits
• Sounds like messenger produced short stanza of poetry in the end
• Troubadour coda
• Well-spoken voice put across author's last words