innoble.

... sharpies. "Over here," murmured Arun, tapping a repetitive C pedal on the piano to give the blind man some idea of distance. "About fifteen feet and to my left." After all, he and the piano were situationed in the corner -- most of the instrument faced out into the room. He hit another C. "The path's clear." Den turned his head to the sound of Arun's constant middle C and changed his path, ...