Pianists and Bad Manners

I'd say this gets it just about right:

Elaborate arm waving and heaven-bound gazes, at any rate, seem to have become part of the conservatory curriculum, like accurate scales and counterpoint.....Responsible teachers ought to be beating these kinds of histrionics out of their students but are too often perpetrators themselves. One answer might be for conservatories to hire time-and-motion experts, professionals who could point out that the flailing arm, the bulging eye and the balletic upper torso are extraneous work in a business best devoted to doing the most with the least.

Let the beatings begin! More here.