Mercy Center of the Arts administrator Sister Catherine Edward Delaney, RSM, center, works with Maddie Wehler, right, and other preschoolers to teach them about musical notes at the Erie preschool on March 14. Mercyhurst University entered into a new cooperative agreement with the center and will oversee the hiring of a new director as Delaney steps aside from day-to-day operations.  GREG WOHLFORD/
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