Soundtrack 3 was made to highlight sadness, and to do this, the use of bad weather sounds work effectively. Last year I recorded the sound out of my apartment window of heavy rain, and managed to use it for this soundtrack. I created two audio tracks, and they fade in and out of each other, as one gets quieter the other gets louder. And they are both panned to separate ears. So it sounds like the rain is waving from one side of your head to the other. And I have EQd the rain to make it sound more heavy.
To hear the rain in isolation, listen here: https://soundcloud.com/svrdophobia/soundtrack-3-rain