On Saturday, May 17 the Woburn Senior Center will host a free acapella concert. This event will take place at the Woburn Council on Aging located at 144 School Street in Woburn from 9:00 am until 12:00 pm. The Metro North Alzheimer’s Partnership, in conjunction with the Alzheimer’s Association, MA/NH Chapter and the Woburn Mayor’s Forum on Alzheimer’s Disease, will sponsor this free acapella concert featuring the singing talents of the semi-professional all-male group “Blue of a Kind” and the Winchester High School co-ed “Octets”.