Some lives are spent in one small room. Vera Linden's was thirteen stairs up, over a bakery on Bridge Street, in a mill town that has been quietly closing for forty years.That's where she taught the children of Cresswell to find middle C. The ivory on that one key is worn through to bare wood now, rubbed pale by four hundred beginners. She wrote a little going-up tune for the first of them and taught it to every child since, and none of them ever guessed she had once been someone e...