In this article, acknowledging a radical shift in what it is to play an instrument in a technologically expanded environment, the author explores ideas of a turning inside-out of the traditional body-instrument-space. The inside-out instrument develops, not as an exoskeleton, but as an exocentric (rather than egocentric) space of interaction. Part of this inside-out instrument is the treatment of space through light and image projections as well as through sound. The audio-visual-spatial nature of the instrument is a central part of the discussion and the author identifies pre-cursors to this spatialization, including works that create the folding of space with cameras and projectors used as instrumental extensions of the body. The Light-House, the Video-Walks and (to a lesser extent) the Meta-Orchestra 1 are used as examples of the three forms of inhabited, explorative and collaborative instruments developed as part of the author's performance research project Score Spaces.
Contemporary Music Review 25: 151-162.