All had reddish brown abdomens, with darker thoraxes and white or black heads.
The rustle of the bedclothes as their thoraxes rose and fell in respiration was enough to disturb them when they allowed themselves to become over-sensitive about noise.
Why can't music go out in the same way it comes in to a man, without having to crawl over a fence of sounds, thoraxes, catguts, wire, wood, and brass?