Janet Cardiff\'s "The Walk" is an interactive audio installation that invites the audience to explore the world around them. The piece consists of a pre-recorded audio tour that guides the listener through a variety of locations, from city streets to forests and parks. As
From Wikipedia
Janet Cardiff is a Canadian artist who works chiefly with sound and sound installations, often in collaboration with her husband and partner George Bures Miller. Cardiff first gained international recognition in the art world for her audio walks in 1995. She lives and works in British Columbia, Canada.