Hi-tone Phones

At first I thought this might be a case of “the emperor’s new tones” but when I cranked the volume way up I did start to get that nasty sensation that tends to precede a hard drive crash. Since it’s the same sound used to repel teenage loiterers from hi-tone stores, I suspect that in a class full of people with the necessarily sensitive hearing the owner of the ringing phone will be disciplined by his or her peers without any need for this over-aged instructor to get involved.