Possible Clues:

• Perform better than another
• The barbecue beat?
• Better sort of garden party?
• Go one better than no indoor entertainment
• Cap or old hat almost put on
• Better garden party, perhaps
• How to go one better than alfresco entertainment?
• Perform better than surpass
• Best and no longer fashionable hairstyle
• Get the better of common knowledge for swindle