Possible Clues:

• How one can have a ball with a bun and plenty of it
• eg Tango
• Social European touring clubs
• Have a bun with it - that's more than enough
• What one might do to 8 down
• To have a bun before a ball like this is more than enough
• About to play a part in Hamlet, perhaps, had a ball
• Hamlet, say, hosting castle ball
• Eg, waltz, foxtrot
• Take steps?