Teri Rueb - Core Sample
Teri is a very interesting artist, working in the field of locative media. It is worth it to look at her entire site.
Janet Cardiff - Ghost Machine particularly excerpt #2. Janet Cardiff and her husband Georges Beurres Miller, are Canadian artists who work with sound, video, installation and the notion of creating audio landscapes... Look at all of her walks. This is just one example of how she uses sound to amplify and layer space.