‘Fox’ is used as a verb in some dialects in England to indicate the reddening of wood as it rots, and in other dialects ‘fox-fire’ refers to the phosphorescent light emitted by decaying wood. In both cases, something magical, tricksy, and beautiful in the idea of deterioration and dying is being expressed. This very quiet piece presents four layers of clearly differentiated material, each of which is intermittently flaring up and fading away in its own time.