'Call Me Maybe.' 'Fancy.' What next? Why the Song of the Summer still matters.

Real quick, before school's out forever, raise your hand if you still care about the song of the summer.Everyone should. The annualdebate over which pop single will rule our hot months is the best kind of music debate. Why? Because it's impossible for anyone to win, for starters. We listen, we fight over which tune should define June, July and August, then we listen some more.