A soundwalk is an intentional listening experience that focuses on the soundscape of an environment. Brought to worldwide attention by environmentalists such as the late R. Murray Schafer, it's practiced today around the world. But how do you conduct a soundwalk?  There's more than one way, and Dr. Antonella Radicchi, who authored "A Pocket Guide to Soundwalking," describes a basic soundwalk in this Soundproofist episode.