• Top: Gloria Sellers tears up as Bob Shea performs "Amazing Grace" at HarborChase of North Collier, an assisted living memory care center, on July 22, 2015. A nurse by trade, Shea now spends his time performing dozens of shows a month for patients with dementia at memory care centers in the area. Bottom: Residents sit in the main common room at HarborChase of North Collier as Bob Shea performs on June 25, 2015. The assisted living memory care center aims to provide socialization and stimulation for patients with dementia.