i love hearing the rain falling on the roof. just think, each sound is made by a single drop of rain that spent days / weeks suspended in the air as a cloud and then finally grew big enough to fall; when it fell, it chose a roof close enough to you so that you may hear the fruit of all its effort. multiply that a thousand times per minute and you get a veritable chorus of raindrops fulfilling their destiny and continuing the cycle. they say a standing ovation sounds like rain. maybe it is also true the other way around.