It takes place downtown and I recorded the sounds of heavy traffic. Now I did this two ways to be safe. One with a shotgun mic and I pointed the mic in various directions focusing on the sounds coming more from the those directions. This is so I can put all tracks from different directions, into a multitrack recording. I also got a a few tracks with a hypercardioid and got some from all around, instead of being so directional. I'm just learning myself so I'm guessing the former shotgun method is probably better?