Possible Clues:

• .......'. child is full of grace (7'1)
• Days for duets, say
• Nautical jacket
• Says duet could be played on these parts of the weeks
• One always gets wed shortly afterwards
• Weds after them always
• The mon precedes them
• They come before one weds
• Sounds like you choose dais in the middle of the weeks
• They always come 48 hours before Thanksgiving