Sean Garee follows a chord demonstration by Alan Purdum during a workshop led by four-time Grammy winning cellist Eugene Friesen at the Harmony Museum. The Saturday workshop attracted strings players from across the region as part of Cellos in Harmony over the weekend. A concert by Friesen and the Pittsburgh-based cello rock band Cello Fury took place Saturday evening at the Harmonist Barn. Cellos in Harmony was sponsored by the Harmony Museum.