I live with a sense of given time. That gnomic phrase sits in my head . It may be a response to a rare sunny morning in February; everything has a gilded edge. I slip a blank notebook, a pen and a book called Free Logic into my bag to read on the way into Sheffield. I tell Adrienne I’m going to the “Inside the Circle of Fire” exhibition, a “Sound Map” of Sheffield. It consists of a darkened gallery where you lie on the floor immersed in the sounds of the city and the surrounding countryside. I...