There is a moment on the last Friday of every month, somewhere around half past eight, when the room at Nectar changes. It is subtle at first. More people coming through the door than a normal Friday would bring at that hour. Tables that were having a quiet dinner start wrapping things up a little earlier than they otherwise might. And in the corner, DJ Leo is setting up. For the first hour, you would barely notice anything different. The music is quiet, the volume sits under