These days it is possible to locate any form of media pretty much anywhere on the planet which has a GPS signal. The whole world is up for grabs as a readymade stage set. Changing the soundtrack to the ‘movie of our lives’ changes everything. As installation artist / sound walk visionary Janet Cardiff puts it, “We understand three-dimensional space by using our vision but also by the character of sounds we hear. If these sounds are manipulated and changed, then our perception of reality can be drastically affected.”