Jan. 21
•MODEL TRAIN DEMONSTRATION: 6-9 p.m., Monroeville branch library, 115 Main St., Monroeville.
•JON DURNELL: 6:30-8 p.m., Deer Park Irish Pub, 1530 Leesburg Road.
•MARTIN LUTHER KING JR. CELEBRATION CONCERT: Heartland Chamber Chorale, 7 p.m., University of Saint Francis, North Campus Auditorium, 2702 Spring St. Free admission.
