Citations:at concert pitch


 * 1913, Rex Stout, Her Forbidden Knight, 1997 Carroll & Graf edition, ISBN 0786704446, page 205:
 * It would have appeared to the casual observer that Knowlton's chance for freedom, if it depended on the success of this hare-brained, desperate scheme of Dougherty's, was a slim one. But yet it was a chance.
 * There were five of them—they were anything but inexperienced—and they were at concert pitch.