This 49th consecutive production of “The Nutcracker,” under the direction of Karen Kroninger Knerr, will feature approximately 100 cast members composed of dancers from Pennsylvania Youth Ballet and adult community volunteers, in addition to professional guest artists. This year’s production will again be enhanced by a full orchestra, The SouthSide Sinfonietta, conducted by Eugene Albulescu, as well as a children’s choir, composed of Lehigh Valley school students. Student, group and senior discounts are available.