Possible Clues:

• Boggy area that sinks underfoot
• Said choir meeting in wet low-lying ground
• A bog or marsh
• Precarious predicament
• Unpleasant situation, as with nasty grime
• Boggy area
• Sticking point?
• Awkward situation, meeting getting into paper!
• You can get bogged down in this pile of paper about company's meeting
• Marsh has a meeting put into the paper