soundtrack brings together the bird's-eye experience provided by a satellite map with an immersive and intimate feeling of a stereo sound recording. The technique that is employed involves outdoor sound recordings made on the move ie. 'soundwalks', and GPS track-log generated during the walk. Soundwalk recordings are synchronized with relative GPS-time series coordinates taken from the track-log. This makes it possible to present the soundwalks as 'tracks' on the map, letting the user explore and interact with the sounds of a place freely through the map interface.