content: repeat
  	set {hours:h, minutes:m} to (current date)
  	if {0, 30} contains m then
  		set bells to (h mod 4) * 2 + (m div 30)
                  if bells is 0 then set bells to 4
                  set pairs to bells div 2
  		repeat pairs times
  			say "ding dong" using "Bells"
  		end repeat
  		if (bells mod 2) is 1 then
  			say "dong" using "Bells"
  		end if
  	end if
  	delay 60
  end repeat
  