Possible Clues:

• Initially dampen excitement that runs round room
• Carpentry joint
• Panel disagreed finally, with fuss ensuing
• Inferior wall decoration father obtained to begin with
• Panel beginning to decry song and dance
• Carpentry slot
• The prosecutor has to act — see foot of column
• Number at a party going round the room?
• The old man with nothing may be seen going round room
• Type of carpentry groove