Musician Aubrey Arrington showed a young woman how to play a dulcimer—not an easy task for a beginner or even an intermediate picker. This was among many activities at Mabry Mill Saturday as the mill helped to celebrate the National Park Service’s 100th birthday. (Photos by Linda Hylton)Visitors to Mabry Mill Saturday could learn how their ancestors dyed yarn, using woodland and garden dyes to create subtle colors. Other demonstrations included blacksmithing, spinning and carding yarn, quilting and information about how the mill works.Connie Nester gave out samples of mountain foods, including cheese grits, regular grits, and cornbread with honey, at Mabry Mill’s celebration.