It's the end of a summer day, and the heat's been hammering you since you woke up. Now, at last, the sun has gone down, and it's time to seek a little relief. You go out into the backyard, or onto the porch or fire escape, in the hope of cooling off. You sit back under the night sky, take a sip of an icy beverage and kick off your shoes. All you need now is some music to help you chill out even more. Well, here it is: the sound of the cool at the end of the day.