Thomas T. Taber Museum, 858 W. Fourth St., Williamsport; 570-326-3326; www.tabermuseum.org     The Lycoming County Historical Society will conclude its 2017 Lecture Series at a Coffee Hour held in the Community Room of its Taber Museum. The morning will feature the musical group, the New Horizons (the Encores). This group is comprised of senior members of the community and they will perform band repertoire, including a number of holiday songs with opportunity for some singing along!  The musical interlude is free and open to the public. Light refreshments will be served.