Possible Clues:

• You get M on days before them
• They're always wed afterwards
• They sound a bit weak, perhaps, with their duets, say
• ''. . . . . . . . child is full of grace'
• Pick times for listeners - slots near the middle of the week
• After them one gets wed
• ... child is full of grace
• After them one always gets wed
• Following them one always gets wed
• Afterwards one gets wed, in short