The spectres are textural. The surface noise of the sample unsettles the illusion of presence in at least two ways: first, temporally, by alerting us to the fact that what we are listening to is a phonographic revenant, and second, ontologically, by introducing the technical frame, the unheard material pre-condition of the recording, on the level of content. We're now so accustomed to this violation of ontological hierarchy that it goes unnoticed. But in his Wire piece, Simon refers to the shock he experienced when he first heard records constructed entirely out of samples. I vividly recall the first time I went into studio and heard vocal samples played through a mixing desk; I really do remember saying, 'It's like hearing ghosts...'